*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UM0865000 CHEMICAL NAME : Pseudourea, 2-butyl-2-thio-, butylphosphite CAS REGISTRY NUMBER : 16417-83-7 LAST UPDATED : 198609 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C5-H13-N2-S.C4-H11-O3-P MOLECULAR WEIGHT : 271.38 WISWESSER LINE NOTATION : MUYZS4 &QPQO4 SYNONYMS/TRADE NAMES : * Butylphosphite S-butyl-isothiuronium * 2-Butyl-2-thiopseudourea butylphosphite *** 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 : 187 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 ***