*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : GY7298000 CHEMICAL NAME : 2-Cyclopenten-1-one, 2-hydroxy-3-methyl- CAS REGISTRY NUMBER : 80-71-7 BEILSTEIN REFERENCE NO. : 2039308 LAST UPDATED : 199701 DATA ITEMS CITED : 5 MOLECULAR FORMULA : C6-H8-O2 MOLECULAR WEIGHT : 112.14 WISWESSER LINE NOTATION : L5V BUTJ BQ C1 COMPOUND DESCRIPTOR : Mutagen SYNONYMS/TRADE NAMES : * Corylon * Corylone * Cycloten * Cyclotene * 2-Hydroxy-3-methyl-2-cyclopenten-1-one * Maple lactone * 3-Methylcyclopentane-1,2-dione * Methylcyclopentenolone *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LDLo - Lowest published lethal dose ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 500 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 14,809,1976 TYPE OF TEST : LDLo - Lowest published lethal dose ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 500 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 14,809,1976 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - guinea pig DOSE/DURATION : 1400 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 14,809,1976 ** MUTATION DATA ** TYPE OF TEST : Sister chromatid exchange TEST SYSTEM : Human Lymphocyte DOSE/DURATION : 1500 umol/L REFERENCE : MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 169,129,1986 *** STATUS IN U.S. *** EPA TSCA Section 8(b) CHEMICAL INVENTORY *** END OF RECORD ***