*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : TG0300000 CHEMICAL NAME : Phosphorothioic acid, O,S-dimethyl O-(p-nitrophenyl) ester CAS REGISTRY NUMBER : 597-89-7 LAST UPDATED : 199709 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C8-H10-N-O5-P-S MOLECULAR WEIGHT : 263.22 WISWESSER LINE NOTATION : WNR DOPO&S1&O1 COMPOUND DESCRIPTOR : Agricultural Chemical SYNONYMS/TRADE NAMES : * O,S-Dimethyl O-(p-nitrophenyl) phosphorothioate * O,S-Dimethyl O-(4-nitrophenyl)thiophosphate * 8061 HC * Isomethylparathion *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LDLo - Lowest published lethal dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 200 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : AEPPAE Naunyn-Schmiedeberg's Archiv fuer Experimentelle Pathologie und Pharmakologie. (Berlin, Ger.) V.110-253, 1925-66. For publisher information, see NSAPCC. Volume(issue)/page/year: 211,264,1950 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 35 mg/kg TOXIC EFFECTS : Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase REFERENCE : AMIHAB AMA Archives of Industrial Health. (Chicago, IL) V.11-21, 1955-60. For publisher information, see AEHLAU. Volume(issue)/page/year: 11,487,1955 *** END OF RECORD ***