*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : SB3800000 CHEMICAL NAME : 1-Penten-3-one CAS REGISTRY NUMBER : 1629-58-9 BEILSTEIN REFERENCE NO. : 1735857 REFERENCE : 4-01-00-03457 (Beilstein Handbook Reference) LAST UPDATED : 199712 DATA ITEMS CITED : 4 MOLECULAR FORMULA : C5-H8-O MOLECULAR WEIGHT : 84.13 WISWESSER LINE NOTATION : 2V1U1 COMPOUND DESCRIPTOR : Tumorigen SYNONYMS/TRADE NAMES : * Ethyl vinyl ketone * Ketone, ethyl vinyl *** 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#00948 *** STATUS IN U.S. *** EPA TSCA Section 8(b) CHEMICAL INVENTORY EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998 NTP Carcinogenesis studies; laboratory assigned, October 1997 *** END OF RECORD ***