Glossary of Pesticide Chemicals

N
N-(3,5-dichlorophenyl)-3-(1-methylethyl)-2,4-
dioxo-1-imidazolidinecarboxamide
63637-89-8
Use:
Category:
metabolite
Mol. Form.: C13H13Cl2N3O3
LMS Code: 231
Tolerances: 180.399, revoked, 186.3750, foreign use
Alternate Names:
9CI
N-(3,5-dichlorophenyl)-3-(1-methylethyl)-
2,4-dioxo-1-imidazolidine=
carboxamide
Other
iprodione metabolite isomer
naled
300-76-5
Use:
insecticide
Category:
parent
Mol. Form.: C4H7Br2Cl2O4P
LMS Code: 303
Tolerances: 180.215, foreign use
Alternate Names:
9CI
1,2-dibromo-2,2-dichlorethyl dimethyl
phosphate
ANSI
naled
ISO
naled
IUPAC 1,2-dibromo-2,2-dichloroethyl dimethyl
phosphate
Other
bromchlophos
BRP
Trade
Dibrom
naphthaleneacetamide
86-86-2
Use:
plant growth regulator
Category:
parent
Mol. Form.: C12H11NO
LMS Code: A44
Tolerances: 180.309, foreign use
Alternate Names:
9CI
1-naphthaleneacetamide
IUPAC 2-(1-naphthyl)acetamide
Other
naphthaleneacetamide
naphthaleneacetamide, alpha-
Trade
Frufix
Rootone
naproanilide
52570-16-8
Use:
herbicide
Category:
parent
Mol. Form.: C19H17NO2
LMS Code: B08
Tolerances: foreign use
Alternate Names:
9CI
2-(2-naphthalenyloxy)-N-
phenylpropanamide
IUPAC N-phenyl-2-(2-naphthyloxy)propionamide
Other
naproanilide
Trade
Uribest

FDA Glossary of Pesticide Chemicals
page 90
June 2005
napropamide
15299-99-7
Use:
herbicide
Category:
parent
Mol. Form.: C17H20NO2
LMS Code: 594
Tolerances: 180.328, foreign use
Alternate Names:
9CI
N,N-diethyl-2-(1-naphthalenyloxy)=
propanamide
ISO
napropamide
IUPAC N,N-diethyl-2-(1-naphthyloxy)=
propionamide, (RS)-
Other
N,N-diethyl-2-(1-naphthalenyloxy)=
propionamide
Trade
Devrinol
Waylay
naptalam
132-66-1
Use:
herbicide
Category:
parent
Mol. Form.: C18H13NO3
LMS Code: B18
Tolerances: 180.297, foreign use
Alternate Names:
9CI
2-((1-naphthalenylamino)carbonyl)benzoic
acid
ISO
naptalam
IUPAC N-1-naphthylphthalamic acid
Other
N-1-naphthylphthalamic acid
NPA
Trade
Alanap
neburon
555-37-3
Use:
herbicide
Category:
parent
Mol. Form.: C12H16Cl2N2O
LMS Code: 061
Tolerances: foreign use
Alternate Names:
9CI
N-butyl-N'-(3,4-dichlorophenyl)-N-
methylurea
ANSI
neburon
ISO
neburon
IUPAC 1-butyl-3-(3,4-dichlorophenyl)-1-
methylurea
Other
neburea
Trade
Kloben
Neburex
neodecanoic acid
26896-20-8
Use:
plant growth regulator
Category:
parent
Mol. Form.: C10H20O2
LMS Code:
Tolerances: revoked
Alternate Names:
9CI
neodecanoic acid (class)
Other
2,5-dimethyl-2-ethylhexanoic acid
neo-decanoic acid
neodecanoic acid
trialkyl (C10) acetic acid (class)
niclosamide
50-65-7
Use:
molluscicide
Category:
parent
Mol. Form.: C13H8Cl2N2O4
LMS Code:
Tolerances: foreign use
Alternate Names:
9CI
5-chloro-N-(2-chloro-4-nitrophenyl)-2-
hydroxybenzamide
ISO
niclosamide
IUPAC 2',5-dichloro-4'-nitrosalicylanilide
Other
clonitralid
Trade
Bayluscid
nicosulfuron
111991-09-4
Use:
herbicide
Category:
parent
Mol. Form.: C15H18N6O6S
LMS Code:
Tolerances: 180.454, foreign use
Alternate Names:
9CI
2-(((((4,6-dimethoxy-2-pyrimidinyl)amino)=
carbonyl)amino)sulfonyl)-N,N-
dimethyl-3-pyridinecarboxamide
ANSI
nicosulfuron
ISO
nicosulfuron
IUPAC 1-(4,6-dimethoxypyrimidin-2-yl)-3-(3-
dimethylcarbamoyl-2-pyridyl=
sulfonyl)urea
2-(4,6-dimethoxypyrimidin-2-ylcarbamoyl=
sulfamoyl)-N,N-dimethylnicotin=
amide
Other
DPX-V9360
HU-195
SL-950
Trade
Accent
nicotine
54-11-5
Use:
insecticide
Category:
parent
Mol. Form.: C10H14N2
LMS Code: 062
Tolerances: 180.167, foreign use
Alternate Names:
9CI
3-(1-methyl-2-pyrrolidinyl)pyridine, (S)-
ISO
nicotine
IUPAC 3-(1-methylpyrrolidin-2-yl)pyridine, (S)-
Trade
Black Leaf 40
nicotine sulfate
65-30-5
Use:
Category:
Mol. Form.: C20H26N4.O4S
LMS Code:
Tolerances: 180.167
Alternate Names:
Other
1,3-(1-methyl-2-pyrrolidyl)pyridine sulfate
1-1-methyl-2-(3-pyridyl)-pyrrolidine
sulfate
1-methyl-2-(3-pyridyl)pyrrolidine sulfate
3-(1-methyl-2-pyrrolidinyl)-pyridine
sulfate, (S)-
3-(1-methyl-2-pyrrolidinyl)pyridine sulfate,
(S)- (2:1)
Black leaf 40 garden spray
nicotine sulfate

FDA Glossary of Pesticide Chemicals
June 2005
page 91
nipyraclofen
99662-11-0
Use:
herbicide
Category:
parent
Mol. Form.: C10H5Cl2F3N4O2
LMS Code:
Tolerances:
Alternate Names:
9CI
1-(2,6-dichloro-4-(trifluoromethyl)phenyl)-
4-nitro-1H-pyrazol-5-amine
ISO
nipyraclofen
IUPAC 1-(2,6-dichloro-α,α,α-trifluoro-p-tolyl)-4-
nitropyrazol-5-ylamine
Other
SLA 3992
nitenpyram
120738-89-8
Use:
insecticide
Category:
parent
Mol. Form.: C11H15ClN4O2
LMS Code:
Tolerances:
Alternate Names:
9CI
N-((6-chloro-3-pyridinyl)methyl)-N-ethyl-
N'-methyl-2-nitro-1,1-ethenediamine
ISO
nitenpyram
IUPAC N-(6-chloro-3-pyridylmethyl)-N-ethyl-N'-
methyl-2-nitrovinylidenediamine,
(E)-
Other
TI-304
nithiazine
58842-20-9
Use:
insecticide
Category:
parent
Mol. Form.: C5H8N2O2S
LMS Code:
Tolerances:
Alternate Names:
9CI
tetrahydro-2-(nitromethylene)-2H-1,3-
thiazine
ANSI
nithiazine
ISO
nithiazine
IUPAC 2-nitromethylene-1,3-thiazinane
Other
IN-A0159
SD35651
nitralin
4726-14-1
Use:
herbicide
Category:
parent
Mol. Form.: C13H19N3O6S
LMS Code: 331
Tolerances: revoked
Alternate Names:
9CI
4-(methylsulfonyl)-2,6-dinitro-N,N-
dipropylbenzenamine
ISO
nitralin
IUPAC 4-methylsulfonyl-2,6-dinitro-N,N-
dipropylaniline
Other
4-(methylsulfonyl)-2,6-dinitro-N,N-
dipropylaniline
Trade
Planavin
SD 11831
nitrapyrin
1929-82-4
Use:
nitrification inhibitor
Category:
parent
Mol. Form.: C6H3Cl4N
LMS Code: 725
Tolerances: 180.350
Alternate Names:
9CI
2-chloro-6-(trichloromethyl)pyridine
ANSI
nitrapyrin
ISO
nitrapyrin
Other
N-serve
nitrofen
1836-75-5
Use:
herbicide
Category:
parent
Mol. Form.: C12H7Cl2NO3
LMS Code: 158
Tolerances: revoked, foreign use
Alternate Names:
9CI
2,4-dichloro-1-(4-nitrophenoxy)benzene
ISO
nitrofen
IUPAC 2,4-dichlorophenyl 4-nitrophenyl ether
Other
2,4-dichloro p-nitrophenyl ether
niclofen
nitrophen
Trade
NIP
TOK
nitrofluorfen
42874-01-1
Use:
herbicide
Category:
parent
Mol. Form.: C13H7ClF3NO3
LMS Code: 803
Tolerances: temporary
Alternate Names:
9CI
2-chloro-1-(4-nitrophenoxy)-4-
(trifluoromethyl)benzene
ANSI
nitrofluorfen
ISO
nitrofluorfen
IUPAC 2-chloro-α,α,α-trifluoro-p-tolyl 4-
nitrophenyl ether
Other
RH-2512
nitrothal-isopropyl
10552-74-6
Use:
fungicide
Category:
parent
Mol. Form.: C14H17O6N
LMS Code: 955
Tolerances: foreign use
Alternate Names:
9CI
bis(1-methylethyl) 5-nitro-benzene-1,3-
dicarboxylate
ISO
nitrothal-isopropyl
IUPAC di-isopropyl 5-nitroisophthalate
Trade
Pallitop
nonachlor, cis-
5103-73-1
Use:
insecticide
Category:
component
Mol. Form.: C10H5Cl9
LMS Code: 207
Tolerances: revoked
Alternate Names:
9CI
1,2,3,4,5,6,7,8,8-nonachloro-
2,3,3a,4,7,7a-hexahydro-4,7-
methano-1H-indene, (1 A, 2 A, 3 A,
3a A, 4 B, 7 B, 7a A)-
Other
nonachlor, cis-

FDA Glossary of Pesticide Chemicals
page 92
June 2005
nonachlor, trans-
39765-80-5
Use:
insecticide
Category:
component
Mol. Form.: C10H5Cl9
LMS Code: 206
Tolerances: revoked
Alternate Names:
9CI
1,2,3,4,5,6,7,8,8-nonachloro-
2,3,3a,4,7,7a-hexahydro-4,7-
methano-1H-indene, (1 A, 2 B, 3 A,
3a A, 4 B, 7 B, 7a A)-
Other
enneachlor
nonachlor, trans-
norea
18530-56-8
Use:
herbicide
Category:
parent
Mol. Form.: C13H15N2O
LMS Code: 287
Tolerances: revoked
Alternate Names:
9CI
N,N-dimethyl-N'-(octahydro-4,7-methano-
1H-inden-5-yl)urea, (3a A, 4 A, 5 A,
7 A, 7a A)-
ANSI
norea
ISO
noruron
IUPAC 1,1-dimethyl-3-(perhydro-4,7-
methanoinden-5-yl)urea
3-(hexahydro-4,7-methanoindan-5-yl)-1,1-
dimethylurea
Trade
Herban
norflurazon
27314-13-2
Use:
herbicide
Category:
parent
Mol. Form.: C12H9ClF3N3O
LMS Code: 596
Tolerances: 180.356, foreign use
Alternate Names:
9CI
4-chloro-5-(methylamino)-2-(3-
(trifluoromethyl)phenyl)-3(2H)-
pyridazinone
ANSI
norflurazon
ISO
norflurazon
IUPAC 4-chloro-5-(methylamino)-2-(α,α,α-
trifluoro-m-tolyl)pyridazin-3-(2H)-
one
Other
4-chloro-5-(methylamino)-2-(α,α,α-
trifluoro-m-tolyl)-3-(2H)-
pyridazinone
monometflurazon
Trade
Evital
Solicam
Zorial
novaluron
116714-46-6
Use:
insecticide
Category:
parent
Mol. Form.: C17H9ClF8N2O4
LMS Code:
Tolerances:
Alternate Names:
9CI
N-(((3-chloro-4-(1,1,2-trifluoro-2-(trifluoro=
methoxy)ethoxy)phenyl)amino)=
carbonyl)-2,6-difluorobenzamide
ISO
novaluron
IUPAC 1-[3-chloro-4-(1,1,2-trifluoro-2-
trifluoromethoxyethoxy)phenyl]-3-
(2,6-difluorobenzoyl)urea, (RS)-
Other
GR 572
nuarimol
63284-71-9
Use:
fungicide
Category:
parent
Mol. Form.: C17H12ClFN2O
LMS Code: 800
Tolerances: foreign use
Alternate Names:
9CI
(2-chlorophenyl)-α-(4-fluorophenyl)-5-
pyrimidinemethanol, (±)-α-
ANSI
nuarimol
ISO
nuarimol
IUPAC 2-chloro-4'-fluoro-α-(pyrimidin-5-
yl)benzhydryl alcohol, (RS)-
Other
2-chloro-4'-fluoro-α-(5-pyrimidinyl)=
benzhydryl alcohol
2-chloro-4'-fluoro-α-(pyrimidin-5-
yl)diphenylmethanol
Trade
Gauntlet
Trimidal
Triminol
O
octachlor epoxide
27304-13-8
Use:
Category:
metabolite
Mol. Form.: C10H4Cl8O
LMS Code: 349
Tolerances: revoked
Alternate Names:
9CI
2,3,4,5,6,6a,7,7-octachloro-
1a,1b,5,5a,6,6a-hexahydro-2,5-
methano-2H-indeno(1,2-b)oxirene,
(1a A,1b,B 2 A,5 A,5a B,6 B,6a A)-
Other
chlordane metabolite
octachlor epoxide
oxychlordane
octhilinone
26530-20-1
Use:
fungicide
Category:
parent
Mol. Form.: C11H19NOS
LMS Code: 789
Tolerances: revoked
Alternate Names:
9CI
2-octyl-3(2H)-isothiazolone
ANSI
octhilinone
ISO
octhilinone
IUPAC 2-octylisothiazol-3(2H)-one
Trade
Kathon
Microbicide M-8
ofurace
58810-48-3
Use:
fungicide
Category:
parent
Mol. Form.: C14H16NO3Cl
LMS Code: A45
Tolerances: foreign use
Alternate Names:
9CI
2-chloro-N-(2,6-dimethylphenyl)-N-
(tetrahydro-2-oxo-3-furanyl)=
acetamide, (±)-
ANSI
ofurace
ISO
ofurace
IUPAC (2-chloro-N-2,6-xylylacetamido)-γ-
butyrolactone, (RS)-α-
Other
milfuram

FDA Glossary of Pesticide Chemicals
June 2005
page 93
omethoate
1113-02-6
Use:
insecticide
Category:
parent
Mol. Form.: C5H12NO4PS
LMS Code: 178
Tolerances: foreign use
Alternate Names:
9CI
O,O-dimethyl S-(2-methylamino)-2-
oxoethyl phosphorothioate
ISO
omethoate
IUPAC O,O-dimethyl S-methylcarbamoylmethyl
phosphorothioate
Other
BAY 45432
dimethoate oxygen analog
dimethoxon
O,O-dimethyl S-(N-methylcarbamoyl=
methyl) phosphorothioate
Trade
Folimat
orbencarb
34622-58-7
Use:
herbicide
Category:
parent
Mol. Form.: C12H16ClNOS
LMS Code:
Tolerances: foreign use
Alternate Names:
9CI
S-((2-chlorophenyl)methyl) diethyl=
carbamothioate
ISO
orbencarb
IUPAC S-2-chlorobenzyl diethyl(thiocarbamate)
Other
orthobencarb
Trade
Lanray
oryzalin
19044-88-3
Use:
herbicide
Category:
parent
Mol. Form.: C12H8N4O6S
LMS Code: 737
Tolerances: 180.304, 185.4550, foreign use
Alternate Names:
9CI
4-(dipropylamino)-3,5-dinitrobenzene=
sulfonamide
ANSI
oryzalin
ISO
oryzalin
Trade
Dirimal
Ryzelan
Surflan
ovex
80-33-1
Use:
insecticide
Category:
parent
Mol. Form.: C12H8Cl2O3S
LMS Code: 063
Tolerances: revoked, foreign use
Alternate Names:
9CI
4-chlorophenyl 4-chlorobenzenesulfonate
ANSI
ovex
ISO
chlorfenson
IUPAC 4-chlorophenyl 4-chlorobenzenesulfonate
Other
chlorfénizon
difenson
ephirsulfonate
ovatran
ovatron
Trade
Ovochlor
Ovotran
oxabetrinil
74782-23-3
Use:
herbicide safener
Category:
parent
Mol. Form.: C12H12N2O3
LMS Code:
Tolerances:
Alternate Names:
9CI
[(1,3-dioxolan-2-yl)methoxyimino]benzene=
acetonitrile, α-
IUPAC 1,3-dioxolan-2-ylmethoxyimino(phenyl)=
acetonitrile, (Z)-
Other
oxabetrinil
oxabetrinil
Trade
Concep II
oxadiargyl
39807-15-3
Use:
herbicide
Category:
parent
Mol. Form.: C15H14Cl2N4O3
LMS Code:
Tolerances:
Alternate Names:
9CI
3-(2,4-dichloro-5-(2-propynyloxy)phenyl)-
5-(1,1-dimethylethyl)-1,3,4-
oxadiazol-2(3H)-one
ISO
oxadiargyl
IUPAC 5-tert-butyl-3-[2,4-dichloro-5-(prop-2-
ynyloxy)phenyl]-1,3,4-oxadiazol-
2(3H)-one
Other
RP-020630
oxadiazon
19666-30-9
Use:
herbicide
Category:
parent
Mol. Form.: C15H18Cl2N2O3
LMS Code: 625
Tolerances: 180.346, foreign use
Alternate Names:
9CI
3-(2,4-dichloro-5-(1-methylethoxy)phenyl)-
5-(1,1-dimethylethyl)-1,3,4-
oxadiazol-2-(3H)-one
ANSI
oxadiazon
ISO
oxadiazon
IUPAC 5-tert-butyl-3-(2,4-dichloro-5-isopropoxy=
phenyl)-1,3,4-oxadiazol-2(3H)-one
Other
2-tert-butyl-4-(2,4-dichloro-5-isopropoxy=
phenyl)-delta2-1,3,4-oxadiazolin-5-
one
RP-17623
Trade
Ronstar
oxadixyl
77732-09-3
Use:
fungicide
Category:
parent
Mol. Form.: C14H18N2O4
LMS Code: A46
Tolerances: revoked, foreign use
Alternate Names:
9CI
N-(2,6-dimethylphenyl)-2-methoxy-N-(2-
oxo-3-oxazolidinyl)acetamide
ISO
oxadixyl
IUPAC 2-methoxy-N-(2-oxo-1,3-oxazolidin-3-
yl)acet-2',6'-xylidide
Other
SAN 371F
Trade
Pulsan
Recoil
Ripost
Sandofan
Wakil

FDA Glossary of Pesticide Chemicals
page 94
June 2005
oxamyl
23135-22-0
Use:
insecticide
Category:
parent
Mol. Form.: C7H13N3O3S
LMS Code: 537
Tolerances: 180.303, 186.4575, foreign use
Alternate Names:
9CI
methyl 2-(dimethylamino)-N-(((methyl=
amino)carbonyl)oxy)-2-oxoethan=
imidothioate
ANSI
oxamyl
ISO
oxamyl
IUPAC N,N-dimethyl-2-methylcarbamoyl=
oxyimino-2-(methylthio)acetamide
Other
dioxamyl
thioxamyl
Trade
Vydate
oxasulfuron
144651-06-9
Use:
herbicide
Category:
parent
Mol. Form.: C17H18N4O6S
LMS Code:
Tolerances: temporary
Alternate Names:
9CI
3-oxetanyl 2-(((((4,6-dimethyl-2-pyrimid=
inyl)amino)carbonyl)amino)sulfonyl)=
benzoate
ISO
oxasulfuron
IUPAC oxetan-3-yl 2-[(4,6-dimethylpyrimidin-2-
yl)carbamoylsulfamoyl]benzoate
Other
CGA-277476
Trade
Expert
oxaziclomefone
153197-14-9
Use:
herbicide
Category:
parent
Mol. Form.: C20H19Cl2NO2
LMS Code:
Tolerances:
Alternate Names:
9CI
3-(1-(3,5-dichlorophenyl)-1-methylethyl)-
2,3-dihydro-6-methyl-5-phenyl-4H-
1,3-oxazin-4-one
ISO
oxaziclomefone
IUPAC 3-[1-(3,5-dichlorophenyl)-1-methylethyl]-
3,4-dihydro-6-methyl-5-phenyl-2H-
1,3-oxazin-4-one
Other
MY-100
oxolinic acid
14698-29-4
Use:
bactericide
Category:
parent
Mol. Form.: C13H11NO5
LMS Code:
Tolerances: foreign use
Alternate Names:
9CI
5-ethyl-5,8-dihydro-8-oxo-1,3-dioxolo(4,5-
g)quinoline-7-carboxylic acid
ISO
oxolinic acid
IUPAC 5-ethyl-5,8-dihydro-8-oxo[1,3]dioxolo[4,5-
g]quinoline-7-carboxylic acid
Other
dioxacin
S-0208
Trade
Gramurin
Starner
oxycarboxin
5259-88-1
Use:
fungicide
Category:
parent
Mol. Form.: C12H13NO4S
LMS Code: 890
Tolerances: foreign use
Alternate Names:
9CI
5,6-dihydro-2-methyl-N-phenyl-1,4-
oxathiin-3-carboxamide 4,4-dioxide
ANSI
oxycarboxin
ISO
oxycarboxin
IUPAC 2,3-dihydro-6-methyl-5-phenylcarbamoyl-
1,4-oxathi-ine 4,4-dioxide
5,6-dihydro-2-methyl-1,4-oxathi-ine-3-
carboxanilide 4,4-dioxide
5,6-dihydro-2-methyl-N-phenyl-1,4-
oxathiin-3-carboxamide 4,4-dioxide
Trade
Plantvax
oxydemeton-methyl
301-12-2
Use:
insecticide
Category:
parent
Mol. Form.: C6H15O4PS2
LMS Code: 219
Tolerances: 180.330, 186.3050, foreign use
Alternate Names:
9CI
S-(2-(ethylsulfinyl)ethyl) O,O-dimethyl
phosphorothioate
ISO
oxydemeton-methyl
IUPAC S-2-ethylsulfinylethyl O,O-dimethyl
phosphorothioate
Other
demeton-S-methyl sulfoxide
methylmercaptophos oxide
Trade
Metasystox-R
oxydemeton-methyl sulfone
17040-19-6
Use:
Category:
metabolite
Mol. Form.: C6H15O5PS2
LMS Code: 245
Tolerances: 180.330, 186.3050
Alternate Names:
9CI
S-(2-(ethylsulfonyl)ethyl) O,O-dimethyl
phosphorothioate
ISO
demeton-S-methylsulphon
IUPAC S-2-ethylsulfonylethyl O,O-dimethyl
phosphorothioate
Other
demeton-S-methyl-sulphone
demeton-S-methylsulfone
demeton-S-methylsulphone
dimethyl S-(2-ethsulfonylethyl)=
thiophosphate
dioxydemeton-S-methyl
isometasystox sulfone
isomethylsystox sulfone
O,O-dimethyl S-(2-ethsulfonylethyl)=
phosphorothioate
O,O-dimethyl S-ethyl-2-sulfonylethyl
phosphorothiolate
O,O-dimethyl S-ethylsulphonylethyl
phosphorothiolate
oxydemeton-methyl sulfone
phosphorothioic acid, O,O-dimethyl S-(2-
(ethylsulfonyl)ethyl) ester
S-2-ethylsulphonylethyl O,O-dimethyl
phosphorothioate

FDA Glossary of Pesticide Chemicals
June 2005
page 95
oxydeprofos
2674-91-1
Use:
insecticide
Category:
parent
Mol. Form.: C7H17O4SP
LMS Code: 831
Tolerances: foreign use
Alternate Names:
9CI
S-(2-(ethylsulfinyl)1-methylethyl) O,O-
dimethyl phosphorothioate
IUPAC S-2-ethylsulfinyl-1-methylethyl O,O-
dimethyl phosphorothioate
Other
estox
Metasystox-S
oxydeprofos
oxyfluorfen
42874-03-3
Use:
herbicide
Category:
parent
Mol. Form.: C15H11ClF3NO4
LMS Code: 713
Tolerances: 180.381, foreign use
Alternate Names:
9CI
2-chloro-1-(3-ethoxy-4-nitrophenoxy)-4-
(trifluoromethyl)benzene
ANSI
oxyfluorfen
ISO
oxyfluorfen
IUPAC 2-chloro-α,α,α-trifluoro-p-tolyl 3-ethoxy-4-
nitrophenyl ether
Trade
Goal
Koltar
oxytetracycline
79-57-2
Use:
preservative
Category:
parent
Mol. Form.: C22H24N2O9
LMS Code: 064
Tolerances: 180.337, foreign use
Alternate Names:
9CI
4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-
octahydro-3,5,6,10,12,12a-
hexahydroxy-6-methyl-1,11-dioxo-2-
naphthacenecarboxamide
IUPAC 4-dimethylamino-1,4,4a,5,5a,6,11,12a-
octahydro-3,5,6,10,12,12a-
hexahydroxy-6-methyl-1,11-
dioxonaphthacene-2-carboxamide,
(4S,4aR,5S,5aR,6S,12aS)-
Other
oxytetracycline
Trade
Biostat
oxytetracycline hydrochloride
2058-46-0
Use:
fumigant
Category:
parent
Mol. Form.: C22H24N2O9•HCl
LMS Code:
Tolerances: 180.337, foreign use
Alternate Names:
9CI
4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-
octahydro-3,5,6,10,12,12a-
hexahydroxy-6-methyl-1,11-dioxo-2-
naphthacenecarboxamide
monohydrochloride,
(4S,4aR,5S,5aR,6S,
IUPAC 4-dimethylamino-1,4,4a,5,5a,6,11,12a-
octahydro-3,5,6,10,12,12a-
hexahydroxy-6-methyl-1,11-
dioxonaphthacene-2-carboxamide
monohydrochloride,
(4S,4aR,5S,5aR,6S,
Other
oxytetracycline hydrochloride
Trade
Aquacycline
Mepatar
oxythioquinox
2439-01-2
Use:
insecticide/fungicide
Category:
parent
Mol. Form.: C10H6N2OS2
LMS Code: 246
Tolerances: revoked, foreign use
Alternate Names:
9CI
6-methyl-1,3-dithiolo[4,5-b]quinoxalin-2-
one
ISO
chinomethionat
IUPAC 6-methyl-1,3-dithiolo[4,5-b]quinoxalin-2-
one
S,S-(6-methylquinoxaline-2,3-diyl)
dithiocarbonate
Other
oxythioquinox
quinomethionate
Trade
Bay 36205
Morestan
P
paclobutrazol
76738-62-0
Use:
plant growth regulator
Category:
parent
Mol. Form.: C15H20ClN3O
LMS Code: A48
Tolerances: foreign use
Alternate Names:
9CI
((4-chlorophenyl)methyl)-α-(1,1-
dimethylethyl)-1H-1,2,4-triazole-1-
ethanol, (R*,R*)-(±)-β-
ANSI
paclobutrazol
IUPAC 1-(4-chlorophenyl)-4,4-dimethyl-2-(1H-
1,2,4-triazol-1-yl)pentan-3-ol,
(2RS,3RS)-
Trade
Bonsai
Cultar

FDA Glossary of Pesticide Chemicals
page 96
June 2005
paraformaldehyde
30525-89-4
Use:
fungicide
Category:
parent
Mol. Form.: (CH2O)x
LMS Code:
Tolerances: revoked
Alternate Names:
9CI
paraformaldehyde
Trade
Paraform
paraquat
4685-14-7
Use:
herbicide/plant growth regulator
Category:
parent
Mol. Form.: C12H14N2
LMS Code: 150
Tolerances: 180.205, foreign use
Alternate Names:
9CI
1,1'-dimethyl-4,4'-bipyridinium
ANSI
paraquat
ISO
paraquat
IUPAC 1,1'-dimethyl-4,4'-bipyridinium
Other
orthoparaquat
Trade
Dextrone X
Gramoxone
Weedol
parathion
56-38-2
Use:
insecticide
Category:
parent
Mol. Form.: C10H14NO5PS
LMS Code: 065
Tolerances: 180.121, 180.122, foreign use
Alternate Names:
9CI
O,O-diethyl O-(4-nitrophenyl)
phosphorothioate
ISO
parathion
IUPAC O,O-diethyl O-4-nitrophenyl
phosphorothioate
Other
ethyl parathion
Trade
Bladan
Thiophos
Viran
parathion-methyl
298-00-0
Use:
insecticide
Category:
parent
Mol. Form.: C8H10NO5PS
LMS Code: 057
Tolerances: 180.121, foreign use
Alternate Names:
9CI
O,O-dimethyl O-(4-nitrophenyl)
phosphorothioate
ISO
parathion-methyl
IUPAC O,O-dimethyl O-4-nitrophenyl
phosphorothioate
Other
dimethyl parathion
metaphos
methyl parathion
parathion methyl homolog
Trade
Metacide
Metron
pebulate
1114-71-2
Use:
herbicide
Category:
parent
Mol. Form.: C10H21NOS
LMS Code: 161
Tolerances: 180.238, foreign use
Alternate Names:
9CI
S-propyl butylethylcarbamothioate
ISO
pebulate
IUPAC S-propyl butyl(ethyl)thiocarbamate
Other
R-2061
S-propyl butylethylthiocarbamate
Trade
Tillam
pefurazoate
101903-30-4
Use:
fungicide
Category:
parent
Mol. Form.: C18H23N3O4
LMS Code:
Tolerances: foreign use
Alternate Names:
9CI
4-pentenyl 2-((2-furanylmethyl)(1H-
imidazol-1-ylcarbonyl)amino)=
butanoate
ISO
pefurazoate
IUPAC pent-4-enyl N-furfuryl-N-imidazol-1-
ylcarbonyl-DL-homoalaninate
Other
UHF-8615
UR-0003
penconazole
66246-88-6
Use:
fungicide
Category:
parent
Mol. Form.: C13H15Cl2N3
LMS Code: 956
Tolerances: foreign use
Alternate Names:
9CI
1-(2-(2,4-dichlorophenyl)pentyl)-1H-1,2,4-
triazole
ISO
penconazole
IUPAC 1-(2,4-dichloro-β-propylphenethyl)-1H-
1,2,4-triazole
Other
CGA-71818
Trade
Award
Onmex
Topas
Topaz
Topaze
pencycuron
66063-05-6
Use:
fungicide
Category:
parent
Mol. Form.: C19H21ClN2O
LMS Code:
Tolerances: foreign use
Alternate Names:
9CI
N-((4-chlorophenyl)methyl)-N-cyclopentyl-
N'-phenylurea
ISO
pencycuron
IUPAC 1-(4-chlorobenzyl)-1-cyclopentyl-3-
phenylurea
Other
Bay NTN 19701
Trade
Monceren

FDA Glossary of Pesticide Chemicals
June 2005
page 97
pendimethalin
40487-42-1
Use:
herbicide
Category:
parent
Mol. Form.: C13H19N3O4
LMS Code: 230
Tolerances: 180.361, foreign use
Alternate Names:
9CI
N-(1-ethylpropyl)-3,4-dimethyl-2,6-
dinitrobenzenamine
ANSI
pendimethalin
ISO
pendimethalin
IUPAC N-(1-ethylpropyl)-2,6-dinitro-3,4-xylidine
Other
penoxalin
Trade
Herbadox
Prowl
Stomp
penoxsulam (prop)
219714-96-2
Use:
herbicide
Category:
parent
Mol. Form.: C16H14F5N5O5S
LMS Code:
Tolerances:
Alternate Names:
9CI
2-(2,2-difluoroethoxy)-N-(5,8-dimethoxy=
[1,2,4]triazolo[1,5-c]pyrimidin-2-yl)-
6-(trifluoromethyl)benzene=
sulfonamide
ISO
penoxsulam (prop)
IUPAC 3-(2,2-difluoroethoxy)-N-(5,8-dimethoxy=
[1,2,4]triazolo[1,5-c]pyrimidin-2-yl)-
α,α,α-trifluorotoluene-2-sulfonamide
pentachloroaniline
527-20-8
Use:
Category:
metabolite
Mol. Form.: C6H2Cl5N
LMS Code: 351
Tolerances: 180.291
Alternate Names:
9CI
2,3,4,5,6-pentachlorobenzenamine
Other
PCA
pentachloroaniline
quintozene metabolite
pentachlorobenzene
608-93-5
Use:
Category:
metabolite
Mol. Form.: C6HCl5
LMS Code: 387
Tolerances: 180.291
Alternate Names:
9CI
pentachlorobenzene
Other
quintozene metabolite
pentachlorobenzonitrile
20925-85-3
Use:
Category:
impurity
Mol. Form.: C7Cl5N
LMS Code: 396
Tolerances: 180.275
Alternate Names:
9CI
pentachlorobenzonitrile
Other
chlorothalonil impurity
PCBN
pentachlorophenol
87-86-5
Use:
wood preservative
Category:
parent
Mol. Form.: C5HCl5O
LMS Code: 316
Tolerances: foreign use
Alternate Names:
9CI
pentachlorophenol
ISO
pentachlorophenol
IUPAC pentachlorophenol
Other
PCP
Trade
Dowicide
Penta
pentachlorophenyl methyl ether
1825-21-4
Use:
Category:
metabolite
Mol. Form.: C7H3Cl5O
LMS Code: 376
Tolerances: 180.291
Alternate Names:
9CI
pentachloromethoxybenzene
Other
methyl pentachlorophenate
PCP methyl ether
pentachloroanisole
pentachlorophenyl methyl ether
quintozene metabolite
pentachlorophenyl methyl sulfide
1825-19-0
Use:
Category:
metabolite
Mol. Form.: C7H3Cl5S
LMS Code: 388
Tolerances: 180.291
Alternate Names:
9CI
pentachloro(methylthio)benzene
Other
methyl pentachlorophenyl sulfide
MPCPS
PCP methyl sulfide
pentachlorophenyl methyl sulfide
pentachlorothioanisole
quintozene metabolite
perfluidone
37924-13-3
Use:
herbicide
Category:
parent
Mol. Form.: C14H12F3NO4S2
LMS Code: 748
Tolerances: revoked
Alternate Names:
9CI
1,1,1-trifluoro-N-(2-methyl-4-(phenyl=
sulfonyl)phenyl)methanesulfonamide
ANSI
perfluidone
ISO
perfluidone
IUPAC 1,1,1-trifluoro-2'-methyl-4'-(phenyl=
sulfonyl)methanesulfonanilide
1,1,1-trifluoro-N-(4-phenylsulfonyl-o-
tolyl)methanesulfonamide
Trade
Destun

FDA Glossary of Pesticide Chemicals
page 98
June 2005
permethrin
52645-53-1
Use:
insecticide
Category:
parent
Mol. Form.: C21H20Cl2O3
LMS Code: 539
Tolerances: 180.378, foreign use
Alternate Names:
9CI
(3-phenoxyphenyl)methyl 3-(2,2,-dichloro=
ethenyl)-2,2-dimethylcyclopropane=
carboxylate
ANSI
permethrin
ISO
permethrin
IUPAC 3-phenoxybenzyl (1RS)-cis-trans-3-(2,2-
dichlorovinyl)-2,2- dimethylcyclo=
propanecarboxylate
3-phenoxybenzyl (1RS,3RS;1RS,3SR)-3-
(2,2-dichlorovinyl)-2,2-dimethyl=
cyclopropanecarboxylate
Trade
Ambush
Pounce
phenisopham
57375-63-0
Use:
herbicide
Category:
parent
Mol. Form.: C19H22N2O4
LMS Code:
Tolerances:
Alternate Names:
9CI
3-(((1-methylethoxy)carbonyl)amino)phenyl
ethylphenylcarbamoate
IUPAC 3-(isopropoxycarbonylamino)phenyl N-
ethylcarbanilate
isopropyl 3-(N-ethyl-N-phenylcarbamoyl=
oxy)phenylcarbamate
isopropyl 3-[ethyl(phenyl)carbamoyloxy]=
carbanilate
Other
phenisopham
Trade
Diconal
Verdinal
phenmedipham
13684-63-4
Use:
herbicide
Category:
parent
Mol. Form.: C16H16N2O4
LMS Code: 791
Tolerances: 180.278, foreign use
Alternate Names:
9CI
3-((methoxycarbonyl)amino)phenyl (3-
methylphenyl)carbamate
ANSI
phenmedipham
ISO
phenmedipham
IUPAC 3-methoxycarbonylaminophenyl 3'-
methylcarbanilate
methyl 3-(3-methylcarbaniloyloxy)=
carbanilate
Other
methyl m-hydroxycarbanilate m-methyl=
carbanilate
Trade
Betanal
phenmedipham-ethyl
13684-44-1
Use:
herbicide
Category:
parent
Mol. Form.: C17H18N2O4
LMS Code:
Tolerances:
Alternate Names:
9CI
3-[(ethoxycarbonyl)amino]phenyl (3-
methylphenyl)carbamate
ISO
phenmedipham-ethyl
IUPAC 3-ethoxycarbonylaminophenyl 3'-
methylcarbanilate
ethyl 3'-(3'-methylcarbaniloyloxy)=
carbanilate
phenothiazine
92-84-2
Use:
insecticide
Category:
parent
Mol. Form.: C12H9NS
LMS Code: 068
Tolerances: revoked
Alternate Names:
9CI
10H-phenothiazine
Other
dibenzothiazine
phenothiazine
thiodiphenylamine
Trade
AFI-Tiazin
Antiverm
Biverm
Contaverm
Fenoverm
Fentiazin
Helmetina
Lethelmin
Nemazine
Orimon
Padophene
Phenegic
Phenoverm
Phenovis
Phenoxur
Reconox
Souframine
Vermitin
phenothrin
26002-80-2
Use:
insecticide
Category:
parent
Mol. Form.: C23H26O3
LMS Code: 848
Tolerances: foreign use
Alternate Names:
9CI
(3-phenoxylphenyl)methyl 2,2-dimethyl-3-
(2-methyl-1-propenyl)cyclopropane=
carboxylate
ISO
phenothrin
IUPAC 3-phenoxybenzyl (1RS)-cis-trans-2,2-
dimethyl-3-(2-methylprop-1-
enyl)cyclopropan ecarboxylate
3-phenoxybenzyl (±)-cis-trans-
chrysanthemate
Other
fenothrin
S-2539
Trade
Sumithrin

FDA Glossary of Pesticide Chemicals
June 2005
page 99
phenthoate
2597-03-7
Use:
insecticide
Category:
parent
Mol. Form.: C12H17O4PS2
LMS Code: 377
Tolerances: pending, foreign use
Alternate Names:
9CI
ethyl α-((dimethoxyphosphinothioyl)thio)=
benzeneacetate
ISO
phenthoate
IUPAC ethyl dimethoxyphosphinothioylthio=
(phenyl)acetate
S-α-ethoxycarbonylbenzyl O,O-
dimethyl phosphorodithioate
Other
dimephenthoate
Trade
Cidial
Papthion
phenylphenol, o-
90-43-7
Use:
fungicide
Category:
parent
Mol. Form.: C12H10O
LMS Code: 083
Tolerances: 180.129
Alternate Names:
9CI
(1,1'-biphenyl)-2-ol
ISO
2-phenylphenol
IUPAC biphenyl-2-ol
Other
phenylphenol, o-
Trade
Dowicide 1
phorate
298-02-2
Use:
insecticide
Category:
parent
Mol. Form.: C7H17O2PS3
LMS Code: 148
Tolerances: 180.206, 186.4750, foreign use
Alternate Names:
9CI
O,O-diethyl S-((ethylthio)methyl)
phosphorodithioate
ANSI
phorate
ISO
phorate
IUPAC O,O-diethyl S-ethylthiomethyl
phosphorodithioate
Other
CL 35,024
Trade
Thimet
phosalone
2310-17-0
Use:
insecticide
Category:
parent
Mol. Form.: C12H15ClNO4PS2
LMS Code: 166
Tolerances: 180.263, 185.4800, 186.4800, foreign
use
Alternate Names:
9CI
S-((6-chloro-2-oxo-3(2H)-benzoxazolyl)=
methyl) O,O-diethyl phosphoro=
dithioate
ANSI
phosalone
ISO
phosalone
IUPAC S-6-chloro-2,3-dihydro-2-oxobenzoxazol-3-
ylmethyl O,O-diethyl phosphoro=
dithioate
Other
S-(6-chloro-3-(mercaptomethyl)-2-
benzoxazolinone)O,O-diethyl
phosphorodithioate
Trade
Zolone
phosdiphen
36519-00-3
Use:
fungicide
Category:
parent
Mol. Form.: C14H11Cl4O4P
LMS Code:
Tolerances: foreign use
Alternate Names:
9CI
bis(2,4-dichlorophenyl) ethyl phosphoroate
IUPAC bis(2,4-dichlorophenyl) ethyl phosphate
Other
phosdiphen
phosfolan
947-02-4
Use:
fumigant
Category:
parent
Mol. Form.: C7H14NO3PS2
LMS Code: 672
Tolerances:
Alternate Names:
9CI
diethyl 1,3-dithiolan-2-ylidene=
phosphoramidate
ISO
phosfolan
IUPAC 2-(diethoxyphosphinylimino)-1,3-
dithiolane
diethyl 1,3-dithiolan-2-ylidene=
phosphoramidate
Trade
Cylan
Cyolane
phosmet
732-11-6
Use:
insecticide
Category:
parent
Mol. Form.: C11H12O4NPS2
LMS Code: 165
Tolerances: 180.261, foreign use
Alternate Names:
9CI
S-((1,3-dihydro-1,3-dioxo-2H-isoindol-2-
yl)methyl) O,O-dimethyl phosphoro=
dithioate
ISO
phosmet
IUPAC N-(dimethoxyphosphinothioylthio=
methyl)phthalimide
O,O-dimethyl S-phthalimidomethyl
phosphorodithioate
Other
N-(mercaptomethyl)phthalimide S-(O,O-
dimethyl phosphorodithioate)
phthalophos
PMP
Trade
Appa
Imidan
Prolate
phosphamidon
13171-21-6
Use:
insecticide
Category:
parent
Mol. Form.: C10H19ClNO5P
LMS Code: 203
Tolerances: revoked, foreign use
Alternate Names:
9CI
2-chloro-3-(diethylamino)-1-methyl-3-oxo-
1-propenyl dimethyl phosphate
ANSI
phosphamidon
ISO
phosphamidon
IUPAC 2-chloro-2-diethylcarbamoyl-1-methylvinyl
dimethyl phosphate
2-chloro-3-dimethoxyphosphinoyloxy-N,N-
diethylbut-2-enamide
Trade
Dimecron

FDA Glossary of Pesticide Chemicals
page 100
June 2005
phosphine
7803-51-2
Use:
fumigant
Category:
metabolite
Mol. Form.: H3P
LMS Code: 286
Tolerances: 180.225, 180.284, 180.375, 185.3800,
186.3800, foreign use
Alternate Names:
9CI
phosphine
IUPAC phosphine
Other
hydrogen phosphide
Trade
ECO2 FUME
phosphocarb
126069-54-3
Use:
nematicide
Category:
parent
Mol. Form.: C13H20NO5PS
LMS Code:
Tolerances:
Alternate Names:
9CI
O-ethyl O-(2-(((methylamino)carbonyl)=
oxy)phenyl) S-propyl phosphoro=
thioate
ISO
phosphocarb
IUPAC 2-[ethoxy(propylthio)phosphinoyl=
oxy]phenyl methylcarbamate
photodieldrin
13366-73-9
Use:
Category:
photoproduct
Mol. Form.: C12H8Cl6O
LMS Code: 347
Tolerances: revoked
Alternate Names:
9CI
2a,3,3,4,5,5a-hexachlorodecahydro-2,4,6-
metheno-2H-cyclopenta(4,5)=
pentaleno(1,2-b)oxirene,
(1aA,1bB,2A,2aB,4B,5B,=
5aB,5bB,6A,6aA)-
Other
dieldrin photoproduct
photodieldrin
photodieldrin B
18417-21-5
Use:
Category:
photoproduct
Mol. Form.: C13H9Cl5O
LMS Code:
Tolerances: revoked
Alternate Names:
9CI
3,4,6,9,9-pentachloro-1a,2,2a,3,6,6a,7,7a-
octahydro-2,7:3,6-dimethano=
naphth(2,3-b)oxirene,
(1aA,2B,2aA,3B,6B,6aA,7B,7aA)-
Other
9-dechlorodieldrin
photodieldrin B
phoxim
14816-18-3
Use:
insecticide
Category:
parent
Mol. Form.: C12H15N2O3PS
LMS Code: 247
Tolerances: pending, foreign use
Alternate Names:
9CI
4-ethoxy-7-phenyl-3,5-dioxa-6-aza-4-
phosphaoct-6-ene-8-nitrile 4-sulfide
ISO
phoxim
IUPAC 2-(diethoxyphosphinothioyloxyimino)-2-
phenylacetonitrile
O,O-diethyl α-cyanobenzylideneamino-
oxyphosphonothioate
[[(diethoxyphosphinothioyl)oxy]imino]=
benzeneacetonitrile, α-
Other
(((diethoxyphosphinothioyl)oxy)imino)=
benzeneacetonitrile, α-
Trade
Baythion
Valexon
Volaton
phoxim-methyl
14816-16-1
Use:
insecticide
Category:
parent
Mol. Form.: C10H11N2O3PS
LMS Code:
Tolerances:
Alternate Names:
9CI
3-methoxy-6-phenyl-2,4-dioxa-5-aza-3-
phosphahept-5-ene-7-nitrile 3-
sulfide
ISO
phoxim-methyl
IUPAC 2-(dimethoxyphosphinothioyloxyimino)-2-
phenylacetonitrile
O,O-dimethyl α-cyanobenzylideneamino-
oxyphosphonothioate
phthalamic acid
88-97-1
Use:
fungicide
Category:
parent
Mol. Form.: C8H7NO3
LMS Code:
Tolerances: foreign use
Alternate Names:
9CI
2-(aminocarbonyl)benzoic acid
Other
phthalamic acid
phthalic acid monoamide
phthalide
87-41-2
Use:
fungicide
Category:
parent
Mol. Form.: C8H6O2
LMS Code:
Tolerances: foreign use
Alternate Names:
9CI
4,5,6,7-tetrachloro-1(3H)-isobenzo=
furanone
IUPAC 4,5,6,7-tetrachlorophthalide
Other
1(3H)-isobenzofuranone
fthalide
phthalide

FDA Glossary of Pesticide Chemicals
June 2005
page 101
picloram
1918-02-1
Use:
insecticide
Category:
parent
Mol. Form.: C6H3Cl3N2O2
LMS Code: 329
Tolerances: 180.292, foreign use
Alternate Names:
9CI
4-amino-3,5,6-trichloro-2-pyridine=
carboxylic acid
ANSI
picloram
ISO
picloram
IUPAC 4-amino-3,5,6-trichloropicolinic acid
4-amino-3,5,6-trichloropyridine-2-
carboxylic acid
Trade
Amdon
Tordon
picloram-potassium
2545-60-0
Use:
insecticide
Category:
metabolite
Mol. Form.: C6H2Cl3KN2O2
LMS Code:
Tolerances: 180.292, foreign use
Alternate Names:
9CI
4-amino-3,5,6-trichloro-2-pyridine=
carboxylic acid, monopotassium salt
Other
4-amino-3,5,6-trichloropicolinic acid,
monopotassium salt
4-amino-3,5,6-trichloropicolinic acid,
monopotassium salt
4-amino-3,5,6-trichloropicolinic acid,
potassium salt
4-amino-3,5,6-trichloropyridinecarboxylic
acid, monopotassium salt
chloramp
pichloram K
pichloram potassium salt
picloram potassium
picloram potassium salt
picloram-potassium
potassium 4-amino-3,5,6-trichloro-2-
pyridinecarboxylate
potassium 4-amino-3,5,6-trichloro=
picolinate
potassium 4-amino-3,5,6-trichloro=
pyridine-2-carboxylate
potassium picloram
Trade
Tordon 10K
Tordon 22K
Tordon K
picoxystrobin
117428-22-5
Use:
fungicide
Category:
parent
Mol. Form.: C18H16F3NO4
LMS Code:
Tolerances:
Alternate Names:
9CI
methyl (αE)-(methoxymethylene)-2-[[[6-
(trifluoromethyl)-2-pyridinyl]=
oxy]methyl]benzeneacetate
ISO
picoxystrobin
IUPAC methyl (E)-3-methoxy-2-[2-(6-trifluoro=
methyl-2-pyridyloxymethyl)phenyl]=
acrylate
piperonyl butoxide
51-03-6
Use:
insecticide
Category:
parent
Mol. Form.: C19H30O5
LMS Code: 070
Tolerances: 180.127, 185.4900, 186.4900, foreign
use
Alternate Names:
9CI
5-((2-(2-butoxyethoxy)ethoxy)methyl)-6-
propyl-1,3-benzodioxole
ISO
piperonyl butoxide
IUPAC 2-(2-butoxyethoxy)ethyl 6-propylpiperonyl
ether
5-[2-(2-butoxyethoxy)ethoxymethyl]-6-
propyl-1,3-benzodioxole
Trade
Butacide
piperophos
24151-93-7
Use:
herbicide
Category:
parent
Mol. Form.: C14H28NO3PS2
LMS Code: 846
Tolerances: foreign use
Alternate Names:
9CI
S-(2-(2-methyl-1-piperidinyl)-2-oxoethyl)
O,O-dipropyl phosphorodithioate
ISO
piperophos
IUPAC S-2-methylpiperidinocarbonylmethyl O,O-
dipropyl phosphorodithioate
Trade
Rilof
pirimicarb
23103-98-2
Use:
insecticide
Category:
parent
Mol. Form.: C11H18N4O2
LMS Code: 580
Tolerances: revoked, foreign use
Alternate Names:
9CI
2-(dimethylamino)-5,6-dimethyl-4-
pyrimidinyl dimethylcarbamate
ANSI
pirimicarb
ISO
pirimicarb
IUPAC 2-dimethylamino-5,6-dimethylpyrimidin-4-
yl dimethylcarbamate
Trade
Pirimor
pirimiphos-ethyl
23505-41-1
Use:
insecticide
Category:
parent
Mol. Form.: C13H24N3O3PS
LMS Code: 587
Tolerances: revoked, foreign use
Alternate Names:
9CI
O-(2-diethylamino)-6-methyl-4-pyrimi=
dinyl) O,O-diethyl phosphorothioate
ANSI
pirimiphos-ethyl
ISO
pirimiphos-ethyl
IUPAC O-2-diethylamino-6-methylpyrimidin-4-yl
O,O-diethyl phosphorothioate
Trade
Primicid
Solgard

FDA Glossary of Pesticide Chemicals
page 102
June 2005
pirimiphos-methyl
29232-93-7
Use:
insecticide
Category:
parent
Mol. Form.: C11H20N3O3PS
LMS Code: 562
Tolerances: 180.409, 185.4950, 186.4950, foreign
use
Alternate Names:
9CI
O-(2-(diethylamino)-6-methyl-4-
pyrimidinyl) O,O-dimethyl
phosphorothioate
ANSI
pirimiphos-methyl
ISO
pirimiphos-methyl
IUPAC O-2-diethylamino-6-methylpyrimidin-4-yl
O,O-dimethyl phosphorothioate
Trade
Actellic
Silosan
Tomahawk
polycarbamate
64440-88-6
Use:
fungicide
Category:
parent
Mol. Form.: C10H18N4S8Zn2
LMS Code:
Tolerances: foreign use
Alternate Names:
9CI
bis(dimethylcarbamodithioato-S,S')(µ-((1,2-
ethanediylbis(carbamodithioato))(2-
)))di[zinc]
Other
bis-Dithane
polycarbamate
polyoxins
11113-80-7
Use:
fungicide
Category:
parent
Mol. Form.:
LMS Code:
Tolerances: foreign use
Alternate Names:
9CI
polyoxins (class)
Other
polyoxins
polyoxorim zinc salt
146659-78-1
Use:
fungicide
Category:
parent
Mol. Form.: C17H23N5O14•Zn
LMS Code:
Tolerances:
Alternate Names:
9CI
zinc 5-((2-amino-5-O-(aminocarbonyl)-2-
deoxy-L-xylonoyl)amino)-1-(5-
carboxy-3,4-dihydro-2,4-dioxo-
1(2H)-pyrimidinyl)-1,5-dideoxy-β-D-
allofuranuronate
ANSI
polyoxorim zinc salt
ISO
polyoxorim-zinc
IUPAC zinc 5-(2-amino-5-O-carbamoyl-2-deoxy-L-
xylonamido)-1-(5-carboxy-1,2,3,4-
tetrahydro-2,4-dioxopyrimidin-1-yl)-
1,5-deoxy-β-D-allofuranuronate
Trade
Polyoxin D zinc salt
Polyoxin Z
STOPIT
potassium arsenite
10124-50-2
Use:
insecticide
Category:
parent
Mol. Form.: AsH3O3•K
LMS Code:
Tolerances: revoked
Alternate Names:
9CI
potassium arsenite
potassium azide
20762-60-1
Use:
herbicide/fungicide
Category:
parent
Mol. Form.: KN3
LMS Code:
Tolerances: temporary
Alternate Names:
9CI
potassium azide
prallethrin
23031-36-9
Use:
insecticide
Category:
parent
Mol. Form.: C19H24O3
LMS Code:
Tolerances: 180.545, 186.---
Alternate Names:
9CI
2-methyl-4-oxo-3-(2-propynyl)-2-
cyclopenten-1-yl 2,2-dimethyl-3-(2-
methyl-1-propenyl)cyclopropane=
carboxylate
IUPAC 2-methyl-4-oxo-3-prop-2-ynylcyclopent-2-
enyl (1R)-cis-trans-2,2-dimethyl-3-
(2-methylprop-1-enyl)cyclopropane=
carboxylate, (S)-
Other
2-methyl-4-oxo-3-(2-propynl)cyclopent-2-
enyl-(1RS)-cis, trans-chrysanthe=
mate, (RS)-
prallethrin
Trade
ETOC
pretilachlor
51218-49-6
Use:
herbicide
Category:
parent
Mol. Form.: C17H26ClNO2
LMS Code: 892
Tolerances: foreign use
Alternate Names:
9CI
2-chloro-N-(2,6-diethylphenyl)-N-(2-
propoxyethyl)acetamide
ISO
pretilachlor
IUPAC 2-chloro-2',6'-diethyl-N-(2-propoxyethyl)=
acetanilide
Other
CG 113
primisulfuron-methyl
86209-51-0
Use:
herbicide
Category:
parent
Mol. Form.: C15H12F4N4O7S
LMS Code:
Tolerances: 180.452, foreign use
Alternate Names:
9CI
methyl 2-(((((4,6-bis(difluoromethoxy)-2-
pyrimidinyl)amino)carbonyl)amino)=
sulfonyl)benzoate
ISO
primisulfuron-methyl
IUPAC methyl 2-[4,6-bis(difluoromethoxy)=
pyrimidin-2-ylcarbamoylsulfamoyl]=
benzoate
Other
CGA-136872
Trade
Beacon
Rifle

FDA Glossary of Pesticide Chemicals
June 2005
page 103
probenazole
27605-76-1
Use:
fungicide
Category:
parent
Mol. Form.: C10H9NO3S
LMS Code: A52
Tolerances: foreign use
Alternate Names:
9CI
3-(2-propenyloxy)-1,2-benzisothiazole 1,1-
dioxide
IUPAC 3-allyloxy-1,2-benz[d]isothiazole 1,1-
dioxide
Other
probenazole
Trade
Oryzemate
prochloraz
67747-09-5
Use:
fungicide
Category:
parent
Mol. Form.: C15H16Cl3N3O2
LMS Code: 833
Tolerances: foreign use
Alternate Names:
9CI
N-propyl-N-(2-(2,4,6-trichlorophenoxy)=
ethyl)-1H-imidazole-1-carboxamide
ANSI
prochloraz
ISO
prochloraz
IUPAC 1-{N-propyl-N-[2-(2,4,6-trichlorophenoxy)=
ethyl]}carbamoylimidazole
N-propyl-N-[2-(2,4,6-trichlorophenoxy)=
ethyl]imidazole-1-carboxamide
Trade
Alpha
Sportak
procyazine
32889-48-8
Use:
herbicide
Category:
parent
Mol. Form.: C10H13ClN6
LMS Code: 669
Tolerances:
Alternate Names:
9CI
2-((4-chloro-6-(cyclopropylamino)-1,3,5-
triazine-2-yl)amino)-2-methyl=
propanenitrile
ANSI
procyazine
ISO
procyazine
IUPAC 2-(4-chloro-6-cyclopropylamino-1,3,5-
triazin-2-ylamino)-2-methylpropio=
nitrile
Other
CGA-18762
Trade
Cycle
procymidone
32809-16-8
Use:
fungicide
Category:
parent
Mol. Form.: C13H11Cl2NO2
LMS Code: 593
Tolerances: 180.455, foreign use
Alternate Names:
9CI
3-(3,5-dichlorophenyl)-1,5-dimethyl-3-
azabicyclo(3.1.0)hexane-2,4-dione
ISO
procymidone
IUPAC N-(3,5-dichlorophenyl)-1,2-dimethyl=
cyclopropane-1,2-dicarboximide
Other
S-7131
Trade
Sumilex
Sumisclex
prodiamine
29091-21-2
Use:
herbicide
Category:
parent
Mol. Form.: C13H17F3N4O4
LMS Code: 814
Tolerances:
Alternate Names:
9CI
2,6-dinitro-N1,N1-dipropyl-4-(trifluoro=
methyl)-1,3-benzenediamine
ANSI
prodiamine
ISO
prodiamine
IUPAC 2,6-dinitro-N1,N1-dipropyl-4-trifluoro=
methyl-m-phenylenediamine
5-dipropylamino-α,α,α-trifluoro-4,6-
dinitro-o-toluidine
Trade
Blockade
Endurance
profenofos
41198-08-7
Use:
insecticide
Category:
parent
Mol. Form.: C11H15BrClO3PS
LMS Code: 224
Tolerances: 180.404, 186.4975, foreign use
Alternate Names:
9CI
O-(4-bromo-2-chlorophenyl) O-ethyl S-
propyl phosphorothioate
ANSI
profenofos
ISO
profenofos
IUPAC O-4-bromo-2-chlorophenyl O-ethyl S-
propyl phosphorothioate
Trade
Curacron
Polycron
Selecron
profluralin
26399-36-0
Use:
herbicide
Category:
parent
Mol. Form.: C14H16F3N3O4
LMS Code: A53
Tolerances: revoked
Alternate Names:
9CI
N-(cyclopropylmethyl)-2,6-dinitro-N-
propyl-4-(trifluoromethyl)benzen=
amine
ANSI
profluralin
ISO
profluralin
IUPAC N-cyclopropylmethyl-2,6-dinitro-N-propyl-
4-trifluoromethylaniline
N-cyclopropylmethyl-α,α,α-trifluoro-2,6-
dinitro-N-propyl-p-toluidine
Trade
Pregard
Tolban
prohexadione
88805-35-0
Use:
plant growth regulator
Category:
parent
Mol. Form.: C10H12O5
LMS Code:
Tolerances:
Alternate Names:
9CI
3,5-dioxo-4-(1-oxopropyl)cyclohexane=
carboxylic acid
ISO
prohexadione
IUPAC 3,5-dioxo-4-propionylcyclohexane=
carboxylic acid

FDA Glossary of Pesticide Chemicals
page 104
June 2005
Prolan
117-27-1
Use:
insecticide
Category:
parent
Mol. Form.: C15H13Cl2NO2
LMS Code: 674
Tolerances: none
Alternate Names:
9CI
1,1'-(2-nitropropylidene)bis(4-chloro=
benzene)
Other
1,1-bis(4-chlorophenyl)-2-nitropropane
Trade
Prolan
promecarb
2631-37-0
Use:
insecticide
Category:
parent
Mol. Form.: C12H17NO2
LMS Code: 385
Tolerances: temporary, foreign
Alternate Names:
9CI
3-methyl-5-(1-methylethyl)phenyl
methylcarbamate
ISO
promecarb
IUPAC 3-isopropyl-5-methylphenyl methyl=
carbamate
5-methyl-m-cumenyl methylcarbamate
Other
cym-5-yl-methylcarbamate, m-
Trade
Carbamult
prometon
1610-18-0
Use:
herbicide
Category:
parent
Mol. Form.: C10H19N5O
LMS Code: 942
Tolerances:
Alternate Names:
9CI
6-methoxy-N,N'-bis(1-methylethyl)-1,3,5-
triazine-2,4-diamine
ANSI
prometon
ISO
prometon
IUPAC N2,N4-di-isopropyl-6-methoxy-1,3,5-
triazine-2,4-diamine
Trade
Pramitol
prometryn
7287-19-6
Use:
herbicide
Category:
parent
Mol. Form.: C10H19N5S
LMS Code: 249
Tolerances: 180.222, foreign use
Alternate Names:
9CI
N,N'-bis(1-methylethyl)-6-methylthio-
1,3,5-triazine-2,4-diamine
ANSI
prometryn
ISO
prometryn
IUPAC N2,N4-di-isopropyl-6-methylthio-1,3,5-
triazine-2,4-diamine
Other
G-34161
prometryne
Trade
Caparol
Gesagard
Primatol Q
pronamide
23950-58-5
Use:
herbicide
Category:
parent
Mol. Form.: C12H11Cl2NO
LMS Code: 540
Tolerances: 180.317, foreign use
Alternate Names:
9CI
3,5-dichloro-N-(1,1-dimethyl-2-propynyl)=
benzamide
ISO
propyzamide
IUPAC 3,5-dichloro-N-(1,1-dimethylpropynyl)=
benzamide
Other
pronamide
Trade
Kerb
RH-315
propachlor
1918-16-7
Use:
herbicide
Category:
parent
Mol. Form.: C11H14ClNO
LMS Code: 675
Tolerances: 180.211, foreign use
Alternate Names:
9CI
2-chloro-N-(1-methylethyl)-N-phenyl=
acetamide
ISO
propachlor
IUPAC 2-chloro-N-isopropylacetanilide
Other
2-chloro-N-isopropylacetanilide
CP 31393
Trade
Ramrod
propamocarb hydrochloride
25606-41-1
Use:
fungicide
Category:
parent
Mol. Form.: C9H21ClN2O2
LMS Code:
Tolerances: 180.499, foreign use
Alternate Names:
9CI
propyl (3-(dimethylamino)propyl)=
carbamate monohydrochloride
ANSI
propamocarb hydrochloride
IUPAC propyl 3-(dimethylamino)propylcarbamate
monohydrochloride
Trade
Banol Turf Fungicide
Prevex
Previcur N
propanil
709-98-8
Use:
herbicide
Category:
parent
Mol. Form.: C9H9Cl2NO
LMS Code: 341
Tolerances: 180.274, foreign use
Alternate Names:
9CI
N-(3,4-dichlorophenyl) propanamide
ISO
propanil
IUPAC 3',4'-dichloropropionanilide
Trade
Rogue
Stam F-34

FDA Glossary of Pesticide Chemicals
June 2005
page 105
propaphos
7292-16-2
Use:
insecticide
Category:
parent
Mol. Form.: C13H21O4PS
LMS Code:
Tolerances: foreign use
Alternate Names:
9CI
4-(methylthio)phenyl dipropyl phosphate
ISO
propaphos
IUPAC 4-(methylthio)phenyl dipropyl phosphate
Other
propafos
propaquizafop
111479-05-1
Use:
herbicide
Category:
parent
Mol. Form.: C22H22ClN3O5
LMS Code:
Tolerances: foreign use
Alternate Names:
9CI
2-(((1-methylethylidene)amino)oxy)ethyl 2-
(4-((6-chloro-2-quinoxalinyl)oxy)=
phenoxy)propanoate, (R)-
ISO
propaquizafop
IUPAC 2-isopropylideneamino-oxyethyl (R)-2-[4-
(6-chloroquinoxalin-2-yloxy)=
phenoxy]propionate
Other
RO 17-3664
Trade
Agil
Shogun
propargite
2312-35-8
Use:
insecticide
Category:
parent
Mol. Form.: C19H26O4S
LMS Code: 623
Tolerances: 180.259, 185.5000, 186.5000, foreign
use
Alternate Names:
9CI
2-(4-(1,1-dimethylethyl)phenoxy)cyclohexyl
2-propynyl sulfite
ANSI
propargite
ISO
propargite
IUPAC 2-(4-tert-butylphenoxy)cyclohexyl prop-2-
ynyl sulfite
Other
BPPS
Trade
Omite
Uniroyal D-014
propargyl bromide
106-96-7
Use:
fumigant
Category:
parent
Mol. Form.: C3H3Br
LMS Code:
Tolerances: 180.199
Alternate Names:
9CI
3-bromo-1-propyne
Other
1-bromo-2-propyne
2-propynyl bromide
3-bromopropyne
bromoallylene, gamma-
propargyl bromide
propynyl bromide
propazine
139-40-2
Use:
herbicide
Category:
parent
Mol. Form.: C9H16ClN5
LMS Code: 333
Tolerances: 180.243, foreign use
Alternate Names:
9CI
6-chloro-N,N'-bis(1-methylethyl)-1,3,5-
triazine-2,4-diamine
ANSI
propazine
ISO
propazine
Trade
Gesamil
Milogard
Primatol P
propetamphos
31218-83-4
Use:
insecticide
Category:
parent
Mol. Form.: C10H20NO4PS
LMS Code: 636
Tolerances: 180.541, 185.5100, 186.5100
Alternate Names:
9CI
1-methylethyl 3-(((ethylamino)methoxy=
phosphinothioyl)oxy)-2-butenoate,
(E)-
ANSI
propetamphos
ISO
propetamphos
IUPAC O-2-isopropoxycarbonyl-1-methylvinyl O-
methyl ethylphosphoramidothioate,
(E)-
Trade
Safrotin
propham
122-42-9
Use:
herbicide
Category:
parent
Mol. Form.: C10H13NO2
LMS Code: 310
Tolerances: revoked, foreign use
Alternate Names:
9CI
1,1-methylethyl phenylcarbamate
ISO
propham
IUPAC isopropyl carbanilate
isopropyl phenylcarbamate
Other
IPC
propiconazole
60207-90-1
Use:
fungicide
Category:
parent
Mol. Form.: C15H17Cl2N3O2
LMS Code: 264
Tolerances: 180.434, foreign use
Alternate Names:
9CI
1-((2-(2,4-dichlorophenyl)-4-propyl-1,3-
dioxolan-2-yl)methyl)-1H-1,2,4-
triazole
ISO
propiconazole
IUPAC 1-[2-(2,4-dichlorophenyl)-4-propyl-1,3-
dioxolan-2-ylmethyl]-1H-1,2,4-
triazole, cis-trans-
Other
CGA-64250
Trade
Banner
Tilt

FDA Glossary of Pesticide Chemicals
page 106
June 2005
propineb
12071-83-9
Use:
fungicide
Category:
parent
Mol. Form.: (C5H8N2S4Zn)x
LMS Code:
Tolerances: foreign use
Alternate Names:
9CI
(((1-methyl-1,2-ethanediyl)bis(carbamo=
dithioato))(2-))zinc
ISO
propineb
IUPAC polymeric zinc propylene=
bis(dithiocarbamate)
Other
mezineb
zinc propylenebis(dithiocarbamate)
Trade
Airone
Antracol
Taifen
propoxur
114-26-1
Use:
insecticide
Category:
parent
Mol. Form.: C11H15NO3
LMS Code: 162
Tolerances: pending, foreign use
Alternate Names:
9CI
2-(1-methylethoxy)phenyl methyl=
carbamate
ISO
propoxur
IUPAC 2-isopropoxyphenyl methylcarbamate
Other
aprocarb
BAY 39007
BAY 9010
PHC
Trade
Baygon
Blattanex
Suncide
Unden
propoxycarbazone-sodium (prop)
181274-15-7
Use:
herbicide
Category:
parent
Mol. Form.: C15H17N4O7SNa
LMS Code:
Tolerances: pending
Alternate Names:
9CI
methyl 2-[[[(4,5-dihydro-4-methyl-5-oxo-3-
propoxy-1H-1,2,4-triazol-1-
yl)carbonyl]amino]sulfonyl]benzoate,
sodium salt
ISO
propoxycarbazone-sodium
Other
propoxycarbazone-sodium (prop)
Trade
MKH-6561
propylene oxide
75-56-9
Use:
fumigant
Category:
parent
Mol. Form.: C3H6O
LMS Code: 198
Tolerances: 180.491, 185.5150
Alternate Names:
9CI
methyloxirane
Other
1,2-epoxypropane
propylene oxide
prosulfocarb
52888-80-9
Use:
herbicide
Category:
parent
Mol. Form.: C14H21NOS
LMS Code:
Tolerances: foreign use
Alternate Names:
9CI
S-(phenylmethyl)dipropylcarbamothioate
ISO
prosulfocarb
IUPAC S-benzyl dipropylthiocarbamate
Trade
Boxer
Defi
SC-0574
prosulfuron
94125-34-5
Use:
herbicide
Category:
parent
Mol. Form.: C15H16F3N5O4S
LMS Code:
Tolerances: 180.481
Alternate Names:
9CI
N-(((4-methoxy-6-methyl-1,3,5-triazin-2-
yl)amino)carbonyl)-2-(3,3,3-
trifluoropropyl)benzenesulfonamide
ISO
prosulfuron
IUPAC 1-(4-methoxy-6-methyl-1,3,5-triazin-2-yl)-
3-[2-(3,3,3-trifluoropropyl)phenyl=
sulfonyl]urea
Other
CGA-152005
prothidathion
20276-83-9
Use:
acaricide, insecticide
Category:
parent
Mol. Form.: C10H19N2O4PS3
LMS Code:
Tolerances:
Alternate Names:
9CI
O,O-diethyl S-[[5-(1-methylethoxy)-2-oxo-
1,3,4-thiadiazol-3(2H)-yl]methyl]
phosphorodithioate
ISO
prothidathion
IUPAC 3-diethoxyphosphinothioylthiomethyl-5-
isopropoxy-1,3,4-thiadiazol-2(3H)-
one
S-(2,3-dihydro-5-isopropoxy-2-oxo-1,3,4-
thiadiazol-3-ylmethyl) O,O-diethyl
phosphorodithioate
S-2,3-dihydro-5-isopropoxy-2-oxo-1,3,4-
thiadiazol-3-ylmethyl O,O-diethyl
phosphorodithioate
prothiocarb
19622-19-6
Use:
fungicide
Category:
parent
Mol. Form.: C8H18N2OS•HCl
LMS Code: 027
Tolerances: foreign use
Alternate Names:
9CI
S-ethyl (3-(dimethylamino)propyl)=
carbamothioate monohydrochloride
ISO
prothiocarb
IUPAC S-ethyl (3-dimethylaminopropyl)=
thiocarbamate
Trade
Dynone
Previcur

FDA Glossary of Pesticide Chemicals
June 2005
page 107
prothiofos
34643-46-4
Use:
insecticide
Category:
parent
Mol. Form.: C11H15Cl2PO2S2
LMS Code: 613
Tolerances: foreign use
Alternate Names:
9CI
O-(2,4-dichlorophenyl) O-ethyl S-propyl
phosphorodithioate
ISO
prothiofos
IUPAC O-2,4-dichlorophenyl O-ethyl S-propyl
phosphorodithioate
Trade
Tokuthion
prothoate
2275-18-5
Use:
insecticide, acaricide
Category:
parent
Mol. Form.: C9H20NO3PS2
LMS Code: 847
Tolerances: foreign use
Alternate Names:
9CI
O,O-diethyl S-(2-((1-methylethyl)amino)-2-
oxoethyl) phosphorodithioate
ISO
prothoate
IUPAC O,O-diethyl S-isopropylcarbamoylmethyl
phosphorodithioate
Trade
FAC
proximpham
2828-42-4
Use:
Category:
parent
Mol. Form.: C10H12N2O2
LMS Code:
Tolerances: foreign use
Alternate Names:
9CI
O-((phenylamino)carbonyl)oxime 2-
propanone
Other
proximpham
PT 807 HCl
Use:
plant growth regulator
Category:
parent
Mol. Form.:
LMS Code:
Tolerances: 180.558
Alternate Names:
Other
N,N-diethyl-2-(4-methylbenzyloxy)=
ethylamine hydrochloride
PT 807 HCl
pymetrozine
123312-89-0
Use:
insecticide
Category:
parent
Mol. Form.: C10H11N5O
LMS Code:
Tolerances: 180.556
Alternate Names:
9CI
4,5-dihydro-6-methyl-4-((3-pyridinyl=
methylene)amino)-1,2,4-triazin-
3(2H)-one, (E)-
ISO
pymetrozine
IUPAC 4,5-dihydro-6-methyl-4-(3-pyridyl=
methyleneamino)-1,2,4-triazin-
3(2H)-one, (E)-
Other
CGA-215944
Trade
Fulfill
Rally
pyracarbolid
24691-76-7
Use:
fungicide
Category:
parent
Mol. Form.: C13H15NO2
LMS Code: 893
Tolerances: foreign use
Alternate Names:
9CI
3,4-dihydro-6-methyl-N-phenyl-2H-pyran-
5-carboxamide
ISO
pyracarbolid
IUPAC 3,4-dihydro-6-methyl-2H-pyran-5-
carboxanilide
Trade
Sicarol
pyraclofos
89784-60-1
Use:
insecticide
Category:
parent
Mol. Form.: C14H18ClN2O3PS
LMS Code:
Tolerances: foreign use
Alternate Names:
9CI
O-(1-(4-chlorophenyl)-1H-pyrazol-4-yl) O-
ethyl S-propyl phosphorothioate
ISO
pyraclofos
IUPAC [O-1-(4-chlorophenyl)pyrazol-4-yl O-ethyl
S-propyl phosphorothioate], (RS)-
Trade
Boltage
Starlet
Voltage
pyraclostrobin (prop)
175013-18-0
Use:
fungicide
Category:
parent
Mol. Form.: C19H18ClN3O4
LMS Code: B61
Tolerances: 180.582
Alternate Names:
9CI
methyl [2-[[[1-(4-chlorophenyl)-1H-pyrazol-
3-yl]oxy]methyl]phenyl]=
methoxycarbamate
IUPAC methyl N-{2-[1-(4-chlorophenyl)-1H-
pyrazol-3-yloxymethyl]phenyl}(N-
methoxy)carbamate
Other
methyl-N-(((1-(4-chlorophenyl)pyrazol-3-
yl)oxy)-o-tolyl)N-methoxycarbamate
pyraclostrobin (prop)
Trade
BAS 500 F
pyraflufen-ethyl
129630-19-9
Use:
herbicide
Category:
parent
Mol. Form.: C15H13Cl2F3N2O4
LMS Code:
Tolerances: 180.585
Alternate Names:
9CI
ethyl (2-chloro-5-(4-chloro-5-(difluoro=
methoxy)-1-methyl-1H-pyrazol-3-yl)-
4-fluorophenoxy)acetate
ISO
pyraflufen-ethyl
IUPAC ethyl 2-chloro-5-(4-chloro-5-
difluoromethoxy-1-methylpyrazol-3-
yl)-4-fluorophenoxyacetate
Other
ET-751

FDA Glossary of Pesticide Chemicals
page 108
June 2005
pyrazolynate
58011-68-0
Use:
herbicide
Category:
parent
Mol. Form.: C19H16Cl2N2O4S
LMS Code:
Tolerances: foreign use
Alternate Names:
9CI
(2,4-dichlorophenyl)(1,3-dimethyl-5-(((4-
methylphenyl)sulfonyl)oxy)-1H-
pyrazol-4-yl)methanone
ISO
pyrazolynate
IUPAC 4-(2,4-dichlorobenzoyl)-1,3-dimethyl=
pyrazol-5-yl toluene-4-sulfonate
Trade
Sanbird
pyrazon
1698-60-8
Use:
herbicide
Category:
parent
Mol. Form.: C10H8ClN3O
LMS Code: 595
Tolerances: 180.316, foreign use
Alternate Names:
9CI
5-amino-4-chloro-2-phenyl-3-(2H)-
pyridazinone
ANSI
pyrazon
ISO
chloridazon
IUPAC 5-amino-4-chloro-2-phenylpyridazin-
3(2H)-one
Other
PAC
PCA
Trade
Pyramin
pyrazophos
13457-18-6
Use:
fungicide
Category:
parent
Mol. Form.: C14H20N3O5PS
LMS Code: 553
Tolerances: foreign use
Alternate Names:
9CI
ethyl 2-((diethoxyphosphinothioyl)oxy)-5-
methylpyrazolo(1,5-a)pyrimidine-6-
carboxylate
ISO
pyrazophos
IUPAC ethyl 2-diethoxyphosphinothioyloxy-5-
methylpyrazolo[1,5-a]pyrimidine-6-
carboxylate
O-6-ethoxycarbonyl-5-methylpyrazolo[1,5-
a]pyrimidin-2-yl O,O-diethyl
phosphorothioate
Trade
Afugan
Curamil
pyrazosulfuron-ethyl
93697-74-6
Use:
herbi cide
Category:
parent
Mol. Form.: C14H18N6O7S
LMS Code:
Tolerances: foreign use
Alternate Names:
9CI
ethyl-5-(((((4,6-dimethoxy-2-pyrimidinyl)=
amino)carbonyl)amino)sulfonyl)-1-
methyl-1H-pyrazole-4-carboxylate
ISO
pyrazosulfuron-ethyl
IUPAC ethyl 5-(4,6-dimethoxypyrimidin-2-
ylcarbamoylsulfamoyl)-1-
methylpyrazole-4-carboxylate
Other
NC-311
Trade
Sirius
pyrazoxyfen
71561-11-0
Use:
herbicide
Category:
parent
Mol. Form.: C20H16Cl2N2O3
LMS Code:
Tolerances: foreign use
Alternate Names:
9CI
2-((4-(2,4-dichlorobenzoyl)-1,3-dimethyl-
1H-pyrazol-5-yl)oxy)-1-phenyl=
ethanone
ISO
pyrazoxyfen
IUPAC 2-[4-(2,4-dichlorobenzoyl)-1,3-dimethyl=
pyrazol-5-yloxy]acetophenone
Trade
Mondaris
Paicer
pyresmethrin
24624-58-6
Use:
insecticide
Category:
parent
Mol. Form.: C23H26O5
LMS Code:
Tolerances:
Alternate Names:
9CI
[5-(phenylmethyl)-3-furanyl]methyl 3-(3-
methoxy-2-methyl-3-oxo-1-
propenyl)-2,2-dimethylcyclo=
propanecarboxylate, [1R-[1α,3β(E)]]-
ISO
pyresmethrin
IUPAC 5-benzyl-3-furylmethyl (E)-(1R)-trans-3-(2-
methoxycarbonylprop-1-enyl)-2,2-
dimethylcyclopropanecarboxylate
5-benzyl-3-furylmethyl (E)-(1R,3R)-3-(2-
methoxycarbonylprop-1-enyl)-2,2-
dimethylcyclopropanecarboxylate
5-benzyl-3-furylmethyl pyrethrate
pyrethrins
8003-34-7
Use:
insecticide
Category:
parent
Mol. Form.: C21H27O4
LMS Code: 075
Tolerances: 180.128, 185.5200, 186.5200, foreign
use
Alternate Names:
9CI
pyrethrins (class)
ISO
pyrethrins
pyribenzoxim
168088-61-7
Use:
herbicide
Category:
parent
Mol. Form.: C32H27N5O8
LMS Code:
Tolerances:
Alternate Names:
9CI
diphenylmethanone O-(2,6-bis((4,6-
dimethoxy-2-pyrimidin-2-yl)oxy)=
benzoyl)oxime
ISO
pyribenzoxim
IUPAC benzophenone O-[2,6-bis(4,6-dimethoxy=
pyrimidin-2-yloxy)benzoyl]oxime
Other
LGC-40863
Trade
Pyanchor

FDA Glossary of Pesticide Chemicals
June 2005
page 109
pyributicarb
88678-67-5
Use:
herbicide
Category:
parent
Mol. Form.: C18H22N2O2S
LMS Code:
Tolerances: foreign use
Alternate Names:
9CI
O-(3-(1,1-dimethylethyl)phenyl) (6-
methoxy-2-pyridinyl)methyl=
carbamothioate
ISO
pyributicarb
IUPAC O-3-tert-butylphenyl 6-methoxy-2-
pyridyl(methyl)thiocarbamate
pyridaben
96489-71-3
Use:
acaricide/insecticide
Category:
parent
Mol. Form.: C19H25ClN2OS
LMS Code: B56
Tolerances: 180.494, foreign use
Alternate Names:
9CI
4-chloro-2-(1,1-dimethylethyl)-5-(((4-(1,1-
dimethylethyl)phenyl)methyl)thio)-
3(2H)-pyridazinone
ISO
pyridaben
IUPAC 2-tert-butyl-5-(4-tert-butylbenzylthio)-4-
chloropyridazin-3(2H)-one
Other
NC-129
NCI-129
pyridafol
40020-01-7
Use:
herbicide
Category:
parent
Mol. Form.: C10H7ClN2O
LMS Code:
Tolerances: 180.462
Alternate Names:
9CI
6-chloro-3-phenyl-4-pyridazinol
ISO
pyridafol
IUPAC 6-chloro-3-phenylpyridazin-4-ol
Other
6-chloro-3-phenyl-4-pyridazinol
6-chloro-3-phenyl-pyridazine-4-ol
CL-9673
pyridate metabolite
pyridatol
pyridalyl
179101-81-6
Use:
insecticide
Category:
parent
Mol. Form.: C18H14Cl4F3NO3
LMS Code:
Tolerances: pending
Alternate Names:
9CI
2-[3-[2,6-dichloro-4-[(3,3-dichloro-2-
propenyl)oxy]phenoxy]propoxy]-5-
(trifluoromethyl)pyridine
ISO
pyridalyl
IUPAC 2,6-dichloro-4-(3,3-dichloroallyloxy)phenyl
3-[5-(trifluoromethyl)-2-
pyridyloxy]propyl ether
Other
pyridine, 2-[3-[2,6-dichloro-4-[(3,3-
dichloro-2-propenyl)oxy]phenoxy]=
propoxy]-5-(trifluoromethyl)
pyridaphenthion
119-12-0
Use:
insecticide
Category:
parent
Mol. Form.: C14H17O4N2SP
LMS Code: 961
Tolerances: foreign use
Alternate Names:
9CI
O-(1,6-dihydro-6-oxo-1-phenyl-3-
pyridazinyl) O,O-diethyl
phosphorothioate
IUPAC O-(1,6-dihydro-6-oxo-1-phenylpyridazin-3-
yl) O,O-diethyl phosphorothioate
Other
pyridaphenthion
pyridate
55512-33-9
Use:
herbicide
Category:
parent
Mol. Form.: C19H23ClN2O2S
LMS Code:
Tolerances: 180.462, foreign use
Alternate Names:
9CI
O-(6-chloro-3-phenyl-4-pyridazinyl) S-octyl
carbonothioate
ISO
pyridate
IUPAC 6-chloro-3-phenylpyridazin-4-yl S-octyl
thiocarbonate
Other
CL 11344
ST9551
Trade
Fenpyrate
Lentagran
Screen
pyridinitril
1086-02-8
Use:
fungicide
Category:
parent
Mol. Form.: C13H5Cl2N3
LMS Code:
Tolerances: foreign use
Alternate Names:
9CI
2,6-dichloro-4-phenyl-3,5-pyridine=
dicarbonitrile
IUPAC 2,6-dichloro-4-phenylpyridine-3,5-
dicarbonitrile
Other
DDPP
IT 3296
pyridinitril
pyrifenox
88283-41-4
Use:
fungicide
Category:
parent
Mol. Form.: C14H12Cl2N2O
LMS Code:
Tolerances: foreign use
Alternate Names:
9CI
1-(2,4-dichlorophenyl)-2-(3-pyridinyl)=
ethanone O-methyloxime
ANSI
pyrifenox
ISO
pyrifenox
IUPAC 2',4'-dichloro-2-(3-pyridyl)acetophenone
(EZ)-O-methyloxime
Other
RO 15-1297
Trade
Dorado
Furado
Podigrol

FDA Glossary of Pesticide Chemicals
page 110
June 2005
pyrimethanil
53112-28-0
Use:
fungicide
Category:
parent
Mol. Form.: C12H13N3
LMS Code: B16
Tolerances: 180.518
Alternate Names:
9CI
4,6-dimethyl-N-phenyl-2-pyrimidinamine
ISO
pyrimethanil
IUPAC N-(4,6-dimethylpyrimidin-2-yl)aniline
Other
(N-4,6-dimethylpyrimidin-2-yl)aniline
SN 100309
pyrimidifen
105779-78-0
Use:
acaricide/insecticide
Category:
parent
Mol. Form.: C20H28ClN3O2
LMS Code:
Tolerances:
Alternate Names:
9CI
5-chloro-N-(2-(4-(2-ethoxyethyl)-2,3-
dimethylphenoxy)ethyl)-6-ethyl-4-
pyrimidinamine
ISO
pyrimidifen
IUPAC 5-chloro-N-{2-[4-(2-ethoxyethyl)-2,3-
dimethylphenoxy]ethyl}-6-
ethylpyrimidin-4-amine
Other
E-787
SU-8801
pyriminobac-methyl
136191-64-5
Use:
herbicide
Category:
parent
Mol. Form.: C17H19N3O6
LMS Code:
Tolerances:
Alternate Names:
9CI
methyl 2-((4,6-dimethoxy-2-pyrimidinyl)=
oxy)-6-(1-(methoxyimino)ethyl)=
benzoate
ISO
pyriminobac-methyl
IUPAC methyl 2-(4,6-dimethoxypyrimidin-2-
yloxy)-6-(1-methoxyiminoethyl)=
benzoate
Other
KIH-6127
pyriproxyfen
95737-68-1
Use:
insecticide/growth regulator
Category:
parent
Mol. Form.: C20H19NO3
LMS Code: B24
Tolerances: 180.510, 185.---, foreign use
Alternate Names:
9CI
2-(1-methyl-2-(4-phenoxyphenoxy)=
ethoxy)pyridine
ISO
pyriproxyfen
IUPAC 4-phenoxyphenyl (RS)-2-(2-pyridyloxy)=
propyl ether
Other
4-phenoxyphenyl(RS)-2-(2-pyridyloxy)=
propyl ether
S-31183
S-9318
Trade
Esteem
Knack
Nylar
Sumilarv
pyrithiobac sodium salt
123343-16-8
Use:
herbicide
Category:
parent
Mol. Form.: C13H10ClN2O4S•Na
LMS Code:
Tolerances: 180.487
Alternate Names:
9CI
sodium 2-chloro-6-((4,6-dimethoxy-2-
pyrimidinyl)thio)benzoate
ANSI
pyrithiobac sodium salt
ISO
pyrithiobac-sodium
IUPAC sodium 2-chloro-6-(4,6-dimethoxy=
pyrimidin-2-ylthio)benzoate
Other
DPX-PE 350
KIH-2031
Trade
Staple
pyroquilon
57369-32-1
Use:
fungicide
Category:
parent
Mol. Form.: C11H11NO
LMS Code:
Tolerances: foreign use
Alternate Names:
9CI
1,2,5,6-tetrahydro-4H-pyrrolo(3.2.1-ij)=
quinolin-4-one
ISO
pyroquilon
IUPAC 1,2,5,6-tetrahydropyrrolo[3,2,1-ij]quinolin-
4-one
Other
CGA-49104
Trade
Coratop
Fongoren
pyroxyfur
70166-48-2
Use:
fungicide
Category:
parent
Mol. Form.: C11H7Cl4NO2
LMS Code: 809
Tolerances: temporary
Alternate Names:
9CI
2-chloro-6-(2-furanylmethoxy)-4-
(trichloromethyl)pyridine
ANSI
pyroxyfur
IUPAC 6-chloro-4-trichloromethyl-2-pyridyl
furfuryl ether
Other
Dowco 444