*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : SZ1500000 CHEMICAL NAME : Phosphine oxide, tribenzyl- CAS REGISTRY NUMBER : 4538-55-0 BEILSTEIN REFERENCE NO. : 2811322 REFERENCE : 2-16-00-00383 (Beilstein Handbook Reference) LAST UPDATED : 199612 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C21-H21-O-P MOLECULAR WEIGHT : 320.39 WISWESSER LINE NOTATION : OP1R&1R&1R COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * Phosphine oxide, tris(phenylmethyl)- * Tribenzylphosphine oxide * Tris(phenylmethyl)phosphine oxide *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : >2 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : KHFZAN Khimiko-Farmatsevticheskii Zhurnal. Chemical Pharmaceutical Journal. For English translation, see PCJOAU. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1967- Volume(issue)/page/year: 24(4),22,1990 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#03090 *** END OF RECORD ***