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SECTION 11 – Toxicological Information
RTECS: CAS# 7664-93-9: WS5600000.
LD50/LC50: CAS# 7664-93-9: Inhalation, mouse: LC50 = 320 mg/m3/2H.
Inhalation, rat: LC50 = 51 mg/m3/2H. Oral, rat: LD50 = 2140 mg/kg.
Carcinogenicity: CAS# 7664-93-9: Workers exposed to industrial sulphuric
acid mist showed a statistical increase in laryngeal, nasal, sinus, and lung
cancer. These data suggests a possible relationship between carcinogenesis
and inhalation of sulphuric acid mist. CA Prop 65: Not listed. OSHA: Select
carcinogen. NTP: Known human carcinogen. NIOSH: Not listed. IARC:
Group 1 carcinogen.
Epidemiology: Standard Draize test: Eye, rabbit – 250 μg,
severe reaction.
Reproductive: Specific developmental abnormalities:
musculoskeletal system, Inhalation-rabbit TCLo = 20 mg/m3/7H
(female 6-18D post).
Teratogenicity: No human information available.
Mutagenicity: Cytogenetic analysis: Ovary, hamster – 4 mmol/L.
Neurotoxicity: No information available.
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