*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : ED7680000 CHEMICAL NAME : Boron, difluoro(1-(2-thienyl)-4,4,4-trifluoro-1,3-butanedion ato)- CAS REGISTRY NUMBER : 22502-27-8 LAST UPDATED : 197905 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C8-H6-B-F5-O2-S MOLECULAR WEIGHT : 272.01 SYNONYMS/TRADE NAMES : * 4,4,4-Trifluoro-1-(2-thienyl)-1,3-butanedione boron difluoride *** 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#01758 *** END OF RECORD ***