*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : GY4730000 CHEMICAL NAME : Cyclopentanone, 2,5-bis(2-chloro-2,2-difluoro-1-hydroxy-1-(chlorodifl uoromethyl)ethyl)- CAS REGISTRY NUMBER : 101932-16-5 LAST UPDATED : 198609 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C11-H8-Cl4-F8-O3 MOLECULAR WEIGHT : 481.99 WISWESSER LINE NOTATION : L5VTJ BXQXGFFXGFF EXQXGFFXGFF SYNONYMS/TRADE NAMES : * 2,5-Bis(2-chloro-2,2-difluoro-1-hydroxy-1-(chlorodifluoromethyl)ethyl)cy clopentanone *** 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#08039 *** END OF RECORD ***