*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : YS3550000 CHEMICAL NAME : Urea, 1-(m-bromophenyl)-2-thio-3-(1H-1,2,4-triazol-3-yl)- CAS REGISTRY NUMBER : 73953-66-9 LAST UPDATED : 197901 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C9-H8-Br-N5-S MOLECULAR WEIGHT : 298.19 WISWESSER LINE NOTATION : T5MN DNJ CMYUS&MR CE SYNONYMS/TRADE NAMES : * 1-(m-Bromophenyl)-3-(3-(1H-1,2,4-triazolyl))-2-thiourea *** 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 : 180 mg/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#01563 *** END OF RECORD ***