*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : TA0432500 CHEMICAL NAME : Phosphonic acid, propyl-, methyl ester CAS REGISTRY NUMBER : 53621-95-7 LAST UPDATED : 198209 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C4-H11-O3-P MOLECULAR WEIGHT : 138.12 WISWESSER LINE NOTATION : QPO&3&O1 SYNONYMS/TRADE NAMES : * Methyl propylphosphonate * Propylphosphonic acid methyl 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#06638 *** END OF RECORD ***