*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : NI3517450 CHEMICAL NAME : 1H-Imidazole, 4-bromo- CAS REGISTRY NUMBER : 2302-25-2 LAST UPDATED : 199609 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C3-H3-Br-N2 MOLECULAR WEIGHT : 146.99 SYNONYMS/TRADE NAMES : * 4-Bromoimidazole * 4(or 5)-Bromoimidazole * Imidazole, 4-bromo- * Imidazole, 4(or 5)-bromo- *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 250 mg/kg TOXIC EFFECTS : Behavioral - somnolence (general depressed activity) Gastrointestinal - other changes Nutritional and Gross Metabolic - body temperature decrease REFERENCE : TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 89,175,1987 *** END OF RECORD ***