*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UR6060000 CHEMICAL NAME : Pyridazine, 4-nitro-, 1-oxide CAS REGISTRY NUMBER : 28147-45-7 LAST UPDATED : 199112 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C4-H3-N3-O2 MOLECULAR WEIGHT : 125.10 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 4-Nitropyridazine 1-oxide *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD - Lethal dose ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - rat DOSE/DURATION : >500 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : CPBTAL Chemical and Pharmaceutical Bulletin. (Japan Pub. Trading Co., USA, 1255 Howard St., San Francisco, CA 94103) V.6- 1958- Volume(issue)/page/year: 25,504,1977 *** END OF RECORD ***