*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : TF2355000 CHEMICAL NAME : Phosphorothioic acid, O,O-diethyl ester, S-ester with 2-(mercaptomethyl)-3(2H)-pyridazinone CAS REGISTRY NUMBER : 51376-77-3 BEILSTEIN REFERENCE NO. : 0661515 LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C9-H15-N2-O4-P-S MOLECULAR WEIGHT : 278.29 SYNONYMS/TRADE NAMES : * O,O-Diethyl phosphorothioate S-ester with 2-(mercaptomethyl)-3(2H)-pyridazinone *** 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 : 2 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : HCACAV Helvetica Chimica Acta. (Verlag Helvetica Chimica Acta, Postfach, CH-4002 Basel, Switzerland) V.1- 1918- Volume(issue)/page/year: 56,2186,1973 *** END OF RECORD ***