*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UQ0525000 CHEMICAL NAME : 2H-Pyran-2-one, 5,6-dihydro-6-methyl- CAS REGISTRY NUMBER : 10048-32-5 BEILSTEIN REFERENCE NO. : 0080685 REFERENCE : 5-17-09-00130 (Beilstein Handbook Reference) LAST UPDATED : 199710 DATA ITEMS CITED : 10 MOLECULAR FORMULA : C6-H8-O2 MOLECULAR WEIGHT : 112.14 WISWESSER LINE NOTATION : T6OV CUTJ F1 COMPOUND DESCRIPTOR : Tumorigen Natural Product SYNONYMS/TRADE NAMES : * (S)-(+)-5,6-Dihydro-6-methyl-2H-pyran-2-one * 2-Hexenoic acid, 5-hydroxy-, delta-lactone * gamma-Hexenolactone * 2-Hexen-5,1-olide * Hexenollactone * 5-Hydroxy-2-hexenoic acid lactone * Kyselina paraskorbova * Parascorbic acid * Parasorbic acid * (+)-Parasorbinsaeure * Sorbic oil *** 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 : 250 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : 85GDA2 "CRC Handbook of Antibiotic Compounds," Vols.1- , Berdy, J., Boca Raton, FL, CRC Press, 1980- Volume(issue)/page/year: 8(1),253,1982 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 195 mg/kg TOXIC EFFECTS : Behavioral - convulsions or effect on seizure threshold Behavioral - changes in motor activity (specific assay) REFERENCE : ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 19,617,1969 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Administration onto the skin SPECIES OBSERVED : Rodent - rabbit DOSE/DURATION : 5040 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 30,470,1969 ** TUMORIGENIC DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 1280 mg/kg/32W-I TOXIC EFFECTS : Tumorigenic - neoplastic by RTECS criteria Tumorigenic - tumors at site of application REFERENCE : BJCAAI British Journal of Cancer. (Macmillan Press Ltd., Houndmills, Basingstoke, Hants. RG21 2XS, UK) V.1- 1947- Volume(issue)/page/year: 17,100,1963 *** REVIEWS *** IARC Cancer Review:Animal Limited Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 10,199,1976 IARC Cancer Review:Human No Adequate Data IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 10,199,1976 IARC Cancer Review:Group 3 IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year: 7,56,1987 TOXICOLOGY REVIEW 22HAAD "Microbial Toxins, 1970-72," Ajil, S.J., et al., eds., New York, Academic Press, Inc., 1970-72 Volume(issue)/page/year: 6,409,1971 TOXICOLOGY REVIEW CTRRDO Cancer Treatment Reports. (Washington, DC) V.60-71, 1976-87. For publisher information, see JNCIEQ. Volume(issue)/page/year: 60,1171,1976 *** STATUS IN U.S. *** EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998 *** END OF RECORD ***