*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : TD1830000 CHEMICAL NAME : Phosphorochloridothioic acid, O,O-dimethyl ester CAS REGISTRY NUMBER : 2524-03-0 BEILSTEIN REFERENCE NO. : 0471300 REFERENCE : 4-01-00-01263 (Beilstein Handbook Reference) LAST UPDATED : 199806 DATA ITEMS CITED : 11 MOLECULAR FORMULA : C2-H6-Cl-O2-P-S MOLECULAR WEIGHT : 160.56 WISWESSER LINE NOTATION : SPGO1&O1 COMPOUND DESCRIPTOR : Mutagen SYNONYMS/TRADE NAMES : * Dimethyl chlorothiophosphate * Dimethylchlorthiofosfat * O,O-Dimethylester kyseliny chlorthiofosforecne * O,O-Dimethylphosphorochloridothioate * Methyl PCT * Phosphonothioic acid, chloro-, O,O-dimethyl ester *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 540 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0536768 TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill ROUTE OF EXPOSURE : Inhalation SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 340 mg/m3/4H TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : 85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982 Volume(issue)/page/year: -,56,1982 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 1800 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : 85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982 Volume(issue)/page/year: -,56,1982 TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill ROUTE OF EXPOSURE : Inhalation SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 320 mg/m3/2H TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : 85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982 Volume(issue)/page/year: -,56,1982 TYPE OF TEST : LDLo - Lowest published lethal dose ROUTE OF EXPOSURE : Administration onto the skin SPECIES OBSERVED : Rodent - rabbit DOSE/DURATION : 316 mg/kg TOXIC EFFECTS : Behavioral - somnolence (general depressed activity) Behavioral - food intake (animal) Liver - other changes REFERENCE : NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0536768 ** MUTATION DATA ** TYPE OF TEST : Dominant lethal test ROUTE OF EXPOSURE : Oral TEST SYSTEM : Rodent - rat DOSE/DURATION : 37500 ug/kg/5D (Continuous) REFERENCE : EPASR* United States Environmental Protection Agency, Office of Pesticides and Toxic Substances. (U.S. Environmental Protection Agency, 401 M St., SW, Washington, DC 20460) History unknown. Volume(issue)/page/year: 8EHQ-0381-0387 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 0.5 mg/m3 JAN 1993 *** STATUS IN U.S. *** EPA TSCA Section 8(b) CHEMICAL INVENTORY EPA TSCA Section 8(e) Risk Notification, 8EHQ-0892-9145;8EHQ-0892-9149 EPA TSCA Section 8(e) Risk Notification, 8EHQ-0892-9150;8EHQ-0892-9095 EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998 *** END OF RECORD ***