*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : SZ6225000 CHEMICAL NAME : Phosphonamidic acid, N,P-diphenyl-, phenyl ester CAS REGISTRY NUMBER : 57668-23-2 BEILSTEIN REFERENCE NO. : 2944517 REFERENCE : 4-16-00-01075 (Beilstein Handbook Reference) LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C18-H16-N-O2-P MOLECULAR WEIGHT : 309.32 WISWESSER LINE NOTATION : ROPO&R&MR SYNONYMS/TRADE NAMES : * Phenyl N-phenyl-P-phenylphosphonamidate * P-Phenyl N-phenylphosphonamidic acid phenyl 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 : 100 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#00551 *** END OF RECORD ***