*** 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 ***