*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UQ5775000 CHEMICAL NAME : Pyrazole, 4-amino-, hydrochloride CAS REGISTRY NUMBER : 4331-28-6 LAST UPDATED : 199012 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C3-H5-N3.Cl-H MOLECULAR WEIGHT : 119.57 WISWESSER LINE NOTATION : T5MNJ DZ &GH SYNONYMS/TRADE NAMES : * 4-Aminopyrazole hydrochloride * USAF EL-53 *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 300 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD277-689 *** END OF RECORD ***