*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UQ9155000 CHEMICAL NAME : 2-Pyrazolin-5-one, 4-((dimethylamino)methylene)-3-methyl-1-phenyl- CAS REGISTRY NUMBER : 4942-70-5 LAST UPDATED : 198011 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C13-H15-N3-O MOLECULAR WEIGHT : 229.31 WISWESSER LINE NOTATION : T5NNV DHJ BR& D1N1&1 E1 SYNONYMS/TRADE NAMES : * 4-(Dimethylamino)methylene-3-methyl-1-phenyl-2-pyrazolin-5-one *** 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 : 5600 ug/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#09866 *** END OF RECORD ***