*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : SZ2050000 CHEMICAL NAME : Phosphine oxide, tris(alpha,alpha,alpha-trifluoro-m-tolyl)- CAS REGISTRY NUMBER : 74038-21-4 LAST UPDATED : 197901 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C21-H12-F9-O-P MOLECULAR WEIGHT : 482.30 WISWESSER LINE NOTATION : FXFFR CPO&R CXFFF&R CXFFF SYNONYMS/TRADE NAMES : * Tris(m-trifluoromethylphenyl)phosphine oxide *** 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 : 180 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#02263 *** END OF RECORD ***