*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : QC3550000 CHEMICAL NAME : Monothiopyrophosphoric acid, tetraethyl ester CAS REGISTRY NUMBER : 645-78-3 BEILSTEIN REFERENCE NO. : 1714018 REFERENCE : 4-01-00-01350 (Beilstein Handbook Reference) LAST UPDATED : 199707 DATA ITEMS CITED : 3 MOLECULAR FORMULA : C8-H20-O6-P2-S MOLECULAR WEIGHT : 306.28 WISWESSER LINE NOTATION : 2OPS&O2&OPO&O2&O2 SYNONYMS/TRADE NAMES : * Ethyl thiopyrophosphate ((EtO)2OPOPS(OEt)2) * Fosarbin * Monothiono TEPP * MTST * Phosarbin * Pirofos * Pyrophos * Tetraethyl monothionopyrophosphate * Tetraethyl monothiopyrophosphate * Tetraethyl thioonopyrophosphate * Thiodiphosphoric acid, tetraethyl ester *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Unreported SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 500 ug/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : 85JDAH "Organophosphorus Pesticides: Organic and Biological Chemistry," Eto, M., Cleveland, OH, CRC Press, Inc., 1974 Volume(issue)/page/year: -,265,1974 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 450 ug/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : FATOAO Farmakologiya i Toksikologiya (Moscow). For English translation, see PHTXA6 and RPTOAN. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.2- 1939- Volume(issue)/page/year: 25,725,1962 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Unreported SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 700 ug/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : PAREAQ Pharmacological Reviews. (Williams & Wilkins, 428 E. Preston St., Baltimore, MD 21202) V.1- 1949- Volume(issue)/page/year: 11,636,1959 *** END OF RECORD ***