*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : RN7175000
CHEMICAL NAME           : 7-Oxabicyclo(4.1.0)heptane
CAS REGISTRY NUMBER     : 286-20-4
LAST UPDATED            : 199710
DATA ITEMS CITED        : 16
MOLECULAR FORMULA       : C6-H10-O
MOLECULAR WEIGHT        : 98.16
WISWESSER LINE NOTATION : T36 BOTJ
COMPOUND DESCRIPTOR     : Tumorigen
                          Mutagen
SYNONYMS/TRADE NAMES :
   * CCHO
   * Cyclohexene-1-oxide
   * Cyclohexene epoxide
   * Cyclohexene oxide
   * 1,2-Cyclohexene oxide
   * Cyclohexane oxide
   * Cyclohexane, 1,2-epoxy-
   * Cyclohexylene oxide
   * 1,2-Epoxycyclohexane
   * Tetramethyleneoxirane
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1090 uL/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
 
TYPE OF TEST            : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 2000 ppm/4H
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
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 549 mg/kg
TOXIC EFFECTS :
   Behavioral - tremor
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   52,422,1980
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intramuscular
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JSICAZ Journal of Scientific and Industrial Research, Section C: Biological
   Sciences.  (New Delhi, India)  V.14-21, 1955-62.  For publisher information,
   see IJEBA6.  Volume(issue)/page/year: 21,342,1962
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 630 uL/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       : Unreported
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 79 mg/kg
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Lungs, Thorax, or Respiration - tumors
REFERENCE :
   RARSAM Radiation Research, Supplement.  (New York, NY)  No.1-7, 1959-67.
   Discontinued.  Volume(issue)/page/year: 3,193,1963
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 10 umol/plate
REFERENCE :
   BCPCA6 Biochemical Pharmacology.  (Pergamon Press Inc., Maxwell House,
   Fairview Park, Elmsford, NY 10523)  V.1-    1958-  Volume(issue)/page/year:
   29,1068,1980
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Klebsiella pneumoniae
DOSE/DURATION           : 5 mmol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 89,269,1981
 
TYPE OF TEST            : Sister chromatid exchange
TEST SYSTEM             : Rodent - hamster Lung
DOSE/DURATION           : 5 mmol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 249,55,1991
 
TYPE OF TEST            : Mutation in mammalian somatic cells
TEST SYSTEM             : Rodent - hamster Lung
DOSE/DURATION           : 5 mmol/L
REFERENCE :
   CBINA8 Chemico-Biological Interactions.  (Elsevier Scientific Pub. Ireland
   Ltd., POB 85, Limerick, Ireland)  V.1-    1969-  Volume(issue)/page/year:
   51,77,1984

         *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X4047
       No. of Facilities: 40 (estimated)
       No. of Industries: 3
       No. of Occupations: 4
       No. of Employees: 2874 (estimated)
       No. of Female Employees: 382 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA GENETOX PROGRAM 1988, Inconclusive: In vitro SCE-nonhuman
   
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   EPA TSCA 8(a) PRELIMINARY ASSESSMENT INFORMATION, FINAL RULE
   FEREAC Federal Register.  (U.S. Government Printing Office, Supt. of
   Documents, Washington, DC 20402) V.1-    1936-  Volume(issue)/page/year:
   47,26992,82

   EPA TSCA Section 8(d) unpublished health/safety studies
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998

 
                            *** END OF RECORD ***