*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : MU2350000 CHEMICAL NAME : Hydantoin, 1-ethyl-3-methyl-2-thio- CAS REGISTRY NUMBER : 67990-13-0 LAST UPDATED : 199701 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C6-H10-N2-O-S MOLECULAR WEIGHT : 158.24 SYNONYMS/TRADE NAMES : * 1-Ethyl-3-methyl-2-thiohydantoin *** 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 : 56 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#04544 *** STATUS IN U.S. *** EPA TSCA Section 8(b) CHEMICAL INVENTORY *** END OF RECORD ***