*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : SB3360000 CHEMICAL NAME : 2-Pentenoic acid, 4-oxo- CAS REGISTRY NUMBER : 4743-82-2 BEILSTEIN REFERENCE NO. : 1745249 REFERENCE : 3-03-00-01310 (Beilstein Handbook Reference) LAST UPDATED : 199712 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C5-H6-O3 MOLECULAR WEIGHT : 114.11 WISWESSER LINE NOTATION : QV1U1V1 SYNONYMS/TRADE NAMES : * beta-Acetoacrylic acid * Acetylacrylic acid * beta-Acetylacrylic acid * 3-beta-Acetylacrylic acid * 4-Ketopentenic acid *** 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 : 115 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : ZolH## Personal Communication from H. Zollner, Institut fur Biochemie, Der Universitat, Gras, Oct. 23, 1975 Volume(issue)/page/year: 23OCT1975 *** END OF RECORD ***