*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : SZ8563500 CHEMICAL NAME : Phosphonic acid, (1-hydroxy-2-methylpropyl)-, dibutyl ester dibutylphosphate CAS REGISTRY NUMBER : 74038-46-3 LAST UPDATED : 198209 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C20-H44-O7-P2 MOLECULAR WEIGHT : 458.58 WISWESSER LINE NOTATION : 4OPO&O4&YY1&1&OPO&O4&O4 SYNONYMS/TRADE NAMES : * Dibutyl (1-(dibutoxyphosphinyl)-2-methyl)propyl phosphate * Phosphoric acid, (1-dibutoxyphosphinyl-2-methylpropyl)dibutyl ester *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 56 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#06432 *** END OF RECORD ***