*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : GW6360000
CHEMICAL NAME           : Cyclohexene, 1-methyl-4-(1-methylethenyl)-, (R)-
CAS REGISTRY NUMBER     : 5989-27-5
OTHER CAS REGISTRY NOS. : 7705-13-7
                          95327-98-3
LAST UPDATED            : 199712
DATA ITEMS CITED        : 35
MOLECULAR FORMULA       : C10-H16
MOLECULAR WEIGHT        : 136.26
WISWESSER LINE NOTATION : L6UTJ A1 DY1&U1 -R
COMPOUND DESCRIPTOR     : Tumorigen
                          Drug
                          Reproductive Effector
SYNONYMS/TRADE NAMES :
   * Carvene
   * Cyclohexene, 4-isopropenyl-1-methyl-
   * (+)-4-Isopropenyl-1-methylcyclohexene
   * d-Limonene
   * D-(+)-Limonene
   * (+)-R-Limonene
   * d-Limoneno
   * d-p-Mentha-1,8-diene
   * p-Mentha-1,8-diene, (R)-(+)-
   * (R)-1-Methyl-4-(1-methylethenyl)cyclohexene
   * NCI-C55572
   * Refchole
 
                       *** 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           : 4400 mg/kg
TOXIC EFFECTS :
   Behavioral - changes in motor activity (specific assay)
   Lungs, Thorax, or Respiration - respiratory depression
   Skin and Appendages - hair
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 9,387,1975
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 3600 mg/kg
TOXIC EFFECTS :
   Behavioral - changes in motor activity (specific assay)
   Lungs, Thorax, or Respiration - respiratory depression
   Skin and Appendages - hair
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 9,387,1975
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 30200 mg/kg
TOXIC EFFECTS :
   Behavioral - excitement
   Lungs, Thorax, or Respiration - respiratory depression
   Skin and Appendages - hair
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 9,387,1975
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 110 mg/kg
TOXIC EFFECTS :
   Behavioral - convulsions or effect on seizure threshold
   Lungs, Thorax, or Respiration - respiratory depression
   Skin and Appendages - hair
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 9,387,1975
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 5600 mg/kg
TOXIC EFFECTS :
   Behavioral - changes in motor activity (specific assay)
   Lungs, Thorax, or Respiration - respiratory depression
   Skin and Appendages - hair
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 9,387,1975
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 600 mg/kg
TOXIC EFFECTS :
   Behavioral - altered sleep time (including change in righting reflex)
   Behavioral - somnolence (general depressed activity)
   Nutritional and Gross Metabolic - body temperature decrease
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 8,1439,1974
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 3170 mg/kg
TOXIC EFFECTS :
   Peripheral Nerve and Sensation - spastic paralysis with or without sensory
   change
REFERENCE :
   SIZSAR Sapporo Igaku Zasshi.  Sapporo Medical Journal.  (Sapporo Igaku
   Daigaku, Nishi-17-chome, Minami-1-jo, Chuo-ku, Sapporo 060, Japan)  V.3-
   1952-  Volume(issue)/page/year: 3,73,1952
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intraduodenal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1 gm/kg
TOXIC EFFECTS :
   Behavioral - altered sleep time (including change in righting reflex)
   Behavioral - somnolence (general depressed activity)
   Nutritional and Gross Metabolic - body temperature decrease
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 8,1439,1974
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : >5 gm/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: 13,825,1975
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Mammal - species unspecified
DOSE/DURATION           : >5 gm/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: 12,703,1974
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 39600 mg/kg/16D-I
TOXIC EFFECTS :
   Related to Chronic Data - death
REFERENCE :
   NTPTR* National Toxicology Program Technical Report Series.  (Research
   Triangle Park, NC 27709) No.206-  Volume(issue)/page/year: NTP-TR-347,1990
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 840 mg/kg/4W-C
TOXIC EFFECTS :
   Kidney, Ureter, Bladder - other changes in urine composition
   Kidney, Ureter, Bladder - other changes
REFERENCE :
   FCTOD7 Food and Chemical Toxicology.  (Pergamon Press Inc., Maxwell House,
   Fairview Park, Elmsford, NY 10523)  V.20-    1982- Volume(issue)/page/year:
   31,125,1993
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 4875 mg/kg/91D-I
TOXIC EFFECTS :
   Liver - changes in liver weight
   Kidney, Ureter, Bladder - other changes
   Kidney, Ureter, Bladder - changes in bladder weight
REFERENCE :
   FCTOD7 Food and Chemical Toxicology.  (Pergamon Press Inc., Maxwell House,
   Fairview Park, Elmsford, NY 10523)  V.20-    1982- Volume(issue)/page/year:
   27,639,1989
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1500 mg/kg/5D-I
TOXIC EFFECTS :
   Liver - changes in liver weight
   Kidney, Ureter, Bladder - changes in bladder weight
REFERENCE :
   FCTOD7 Food and Chemical Toxicology.  (Pergamon Press Inc., Maxwell House,
   Fairview Park, Elmsford, NY 10523)  V.20-    1982- Volume(issue)/page/year:
   25,345,1987
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 39600 mg/kg/16D-I
TOXIC EFFECTS :
   Related to Chronic Data - death
REFERENCE :
   NTPTR* National Toxicology Program Technical Report Series.  (Research
   Triangle Park, NC 27709) No.206-  Volume(issue)/page/year: NTP-TR-347,1990
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 32500 mg/kg/13W-I
TOXIC EFFECTS :
   Related to Chronic Data - death
REFERENCE :
   NTPTR* National Toxicology Program Technical Report Series.  (Research
   Triangle Park, NC 27709) No.206-  Volume(issue)/page/year: NTP-TR-347,1990
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : 180 gm/kg/26W-I
TOXIC EFFECTS :
   Kidney, Ureter, Bladder - changes in bladder weight
REFERENCE :
   FCTOD7 Food and Chemical Toxicology.  (Pergamon Press Inc., Maxwell House,
   Fairview Park, Elmsford, NY 10523)  V.20-    1982- Volume(issue)/page/year:
   28,669,1990
 
                          ** TUMORIGENIC DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 38625 mg/kg/2Y-C
TOXIC EFFECTS :
   Tumorigenic - Carcinogenic by RTECS criteria
   Kidney, Ureter, Bladder - Kidney tumors
   Reproductive - Tumorigenic effects - testicular tumors
REFERENCE :
   NTPTR* National Toxicology Program Technical Report Series.  (Research
   Triangle Park, NC 27709) No.206-  Volume(issue)/page/year: NTP-TR-347,1990
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 67 gm/kg/39W-I
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Gastrointestinal - tumors
REFERENCE :
   JNCIAM Journal of the National Cancer Institute.  (Washington, DC)  V.1-60,
   1940-78.  For publisher information, see JJIND8.  Volume(issue)/page/year:
   35,771,1965
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 20083 mg/kg
SEX/DURATION            : female 9-15 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Specific Developmental Abnormalities - musculoskeletal system
   Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight
   gain)
   Reproductive - Effects on Newborn - physical
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 10,179,1975
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE                    : 3546 mg/kg
SEX/DURATION            : female 7-12 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Specific Developmental Abnormalities - musculoskeletal system
   Reproductive - Effects on Newborn - physical
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 13,863,1977
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE                    : 14178 mg/kg
SEX/DURATION            : female 7-12 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight
   gain)
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 13,863,1977
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rabbit
DOSE                    : 3250 mg/kg
SEX/DURATION            : female 6-18 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Newborn - physical
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 13,885,1977

                              *** 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: 56,135,1993

   IARC Cancer Review:Human No Available 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: 56,135,1993

   IARC Cancer Review:Group 3
   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: 56,135,1993

   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

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X9088
       No. of Facilities: 8310 (estimated)
       No. of Industries: 87
       No. of Occupations: 65
       No. of Employees: 138309 (estimated)
       No. of Female Employees: 35634 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   EPA TSCA Section 8(d) unpublished health/safety studies
   
   On EPA IRIS database
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998
   
   NIOSH Analytical Method, 1996: Volatile organic compound, 2549
   
   NTP Carcinogenesis Studies (gavage);clear evidence:rat
   NTPTR* National Toxicology Program Technical Report Series.  (Research
   Triangle Park, NC 27709) No.206-  Volume(issue)/page/year: NTP-TR-347,90

   NTP Carcinogenesis Studies (gavage);no evidence:mouse
   NTPTR* National Toxicology Program Technical Report Series.  (Research
   Triangle Park, NC 27709) No.206-  Volume(issue)/page/year: NTP-TR-347,90

 
                            *** END OF RECORD ***