*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : SZ7565000 CHEMICAL NAME : Phosphonic acid, 1-(dibutoxyphosphinooxy)butyl-, dibutyl ester CAS REGISTRY NUMBER : 57105-66-5 LAST UPDATED : 198209 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C20-H44-O6-P2 MOLECULAR WEIGHT : 442.58 WISWESSER LINE NOTATION : 4OPO&O4&4PO&O4&O4 SYNONYMS/TRADE NAMES : * 1-(Dibutoxyphosphinooxy)butylphosphonic acid dibutyl ester * Dibutyl 1-(dibutoxyphosphinyl)butyl phosphite *** 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#04938 *** END OF RECORD ***