*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : DJ0685000 CHEMICAL NAME : Benzophenone, 4,4'-difluoro- CAS REGISTRY NUMBER : 345-92-6 BEILSTEIN REFERENCE NO. : 0516231 REFERENCE : 4-07-00-01374 (Beilstein Handbook Reference) LAST UPDATED : 199709 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C13-H8-F2-O MOLECULAR WEIGHT : 218.21 WISWESSER LINE NOTATION : FR DVR DF SYNONYMS/TRADE NAMES : * Bis(p-fluorophenyl) ketone * Bis(4-fluorophenyl) ketone * Bis(4-fluorophenyl)methanone * p,p'-Difluorobenzophenone * 4,4'-Difluorobenzophenone * Di-p-fluorophenyl ketone * Methanone, bis(4-fluorophenyl)- *** 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#04689 *** END OF RECORD ***