*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UR6371000 CHEMICAL NAME : 3(2H)-Pyridazinone, 4,5-dihydro-5-(alpha-hydroxy-m-(trifluoromethyl)benzy l)-6-methyl- LAST UPDATED : 198601 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C13-H13-F3-N2-O2 MOLECULAR WEIGHT : 286.28 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 5-(alpha-Hydroxy-m-(trifluoromethyl)benzyl)-6-methyl-4,5-dihydro-3(2H)-p yridazinone * Methyl-6 (trifluoromethyl-3' phenyl-hydroxymethyl)-5 dihydro-4,5 (2H) pyridazinone-3 *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 1540 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : APFRAD Annales Pharmaceutiques Francaises. (SPPIF, B.P.22, F-41353 Vineuil, France) V.1- 1943- Volume(issue)/page/year: 42,135,1984 *** END OF RECORD ***