*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UM6816000 CHEMICAL NAME : Pseudourea, 2-ethyl-2-thio-, O-ethyl-(chloromethyl)phosphite CAS REGISTRY NUMBER : 37031-93-9 LAST UPDATED : 197907 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C3-H9-N2-S.C3-H8-Cl-O3-P MOLECULAR WEIGHT : 263.73 WISWESSER LINE NOTATION : MUYZS2 2G1OPQO2 SYNONYMS/TRADE NAMES : * O-Ethyl (chloromethyl)phosphate S-ethyl-isothiuronium * 2-Ethyl-2-thiopseudourea O-ethyl-(chloromethyl)phosphite *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 680 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : RPTOAN Russian Pharmacology and Toxicology (English Translation). Translation of FATOAO. (Euromed Pub., 33, Woodlands Rd., Surbiton, Surrey, UK) V.30- 1967- Volume(issue)/page/year: 39,66,1976 *** END OF RECORD ***