*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : XP2275000
CHEMICAL NAME           : Thymol
CAS REGISTRY NUMBER     : 89-83-8
LAST UPDATED            : 199710
DATA ITEMS CITED        : 26
MOLECULAR FORMULA       : C10-H14-O
MOLECULAR WEIGHT        : 150.24
WISWESSER LINE NOTATION : QR C1 FY1&1
COMPOUND DESCRIPTOR     : Drug
                          Mutagen
                          Reproductive Effector
SYNONYMS/TRADE NAMES :
   * m-Cresol, 6-isopropyl-
   * p-Cymene, 3-hydroxy-
   * p-Cymen-3-ol
   * 3-p-Cymenol
   * 3-Hydroxy-p-cymene
   * 3-Hydroxy-1-methyl-4-isopropylbenzene
   * Isopropyl cresol
   * 2-Isopropyl-5-methylphenol
   * 1-Methyl-3-hydroxy-4-isopropylbenzene
   * 3-Methyl-6-isopropylphenol
   * 5-Methyl-2-isopropyl-1-phenol
   * 5-Methyl-2-(1-methylethyl)phenol
   * Phenol, 2-isopropyl-5-methyl-
   * Phenol, 5-methyl-2-(1-methylethyl)-
   * Thyme camphor
   * Thymic acid
   * m-Thymol
 
                       *** 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           : 980 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - ataxia
   Behavioral - coma
REFERENCE :
   FCTXAV Food and Cosmetics Toxicology.  (London, UK)  V.1-19, 1963-81.  For
   publisher information, see FCTOD7.  Volume(issue)/page/year: 2,327,1964
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1600 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   HBTXAC "Handbook of Toxicology," 4 vols., Philadelphia, W.B. Saunders Co.,
   1956-59  Volume(issue)/page/year: 5,172,1959
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 640 mg/kg
TOXIC EFFECTS :
   Peripheral Nerve and Sensation - spastic paralysis with or without sensory
   change
   Lungs, Thorax, or Respiration - respiratory stimulation
REFERENCE :
   OSDIAF Osaka Shiritsu Daigaku Igaku Zasshi.  Journal of the Osaka City
   Medical Center.  (Osaka, Japan)  V.4-23, 1955-74.  For publisher
   information, see OIGZDE.  Volume(issue)/page/year: 5,111,1956
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 110 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - ataxia
REFERENCE :
   QJDRAZ Quarterly Journal of Crude Drug Research.  (Lisse, Netherlands)
   V.1-19, 1961-81.  For publisher information, see IJCREE.
   Volume(issue)/page/year: 19,1,1981
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 243 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Skin and Appendages - hair
REFERENCE :
   OSDIAF Osaka Shiritsu Daigaku Igaku Zasshi.  Journal of the Osaka City
   Medical Center.  (Osaka, Japan)  V.4-23, 1955-74.  For publisher
   information, see OIGZDE.  Volume(issue)/page/year: 5,111,1956
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 100 mg/kg
TOXIC EFFECTS :
   Behavioral - sleep
REFERENCE :
   JMCMAR Journal of Medicinal Chemistry.  (American Chemical Soc.,
   Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC
   20037)  V.6-    1963-  Volume(issue)/page/year: 23,1350,1980
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : 150 mg/kg
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
   THERAP Therapie.  (Doin, Editeurs, 8, Place de l'Odeon, F-75006 Paris,
   France)  V.1-    1946-  Volume(issue)/page/year: 3,109,1948
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - cat
DOSE/DURATION           : 250 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   HBTXAC "Handbook of Toxicology," 4 vols., Philadelphia, W.B. Saunders Co.,
   1956-59  Volume(issue)/page/year: 5,172,1959
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 750 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JPETAB Journal of Pharmacology and Experimental Therapeutics.  (Williams &
   Wilkins Co., 428 E. Preston St., Baltimore, MD 21202)  V.1-    1909/10-
   Volume(issue)/page/year: 17,261,1921
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 60 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   HBTXAC "Handbook of Toxicology," 4 vols., Philadelphia, W.B. Saunders Co.,
   1956-59  Volume(issue)/page/year: 5,172,1959
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 880 mg/kg
TOXIC EFFECTS :
   Behavioral - tremor
   Behavioral - coma
   Gastrointestinal - gastritis
REFERENCE :
   FCTXAV Food and Cosmetics Toxicology.  (London, UK)  V.1-19, 1963-81.  For
   publisher information, see FCTOD7.  Volume(issue)/page/year: 2,327,1964
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 300 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   HBTXAC "Handbook of Toxicology," 4 vols., Philadelphia, W.B. Saunders Co.,
   1956-59  Volume(issue)/page/year: 5,172,1959
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 1100 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   HBTXAC "Handbook of Toxicology," 4 vols., Philadelphia, W.B. Saunders Co.,
   1956-59  Volume(issue)/page/year: 5,172,1959
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Amphibian - frog
DOSE/DURATION           : 150 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   HBTXAC "Handbook of Toxicology," 4 vols., Philadelphia, W.B. Saunders Co.,
   1956-59  Volume(issue)/page/year: 5,172,1959
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 20 mg/kg
SEX/DURATION            : female 4 day(s) pre-mating
TOXIC EFFECTS :
   Reproductive - Maternal Effects - uterus, cervix, vagina
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: 19,264,1960
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Morphological transformation
TEST SYSTEM             : Rodent - hamster Embryo
DOSE/DURATION           : 3 mg/L
REFERENCE :
   SHIGAZ Shigaku.  Ondotology.  (Nippon Shika Daigaku Shigakkai, 1-9-20
   Fujimi, Chiyodaku, Tokyo 102, Japan)  V.38-    1949-
   Volume(issue)/page/year: 74,1365,1987
 
TYPE OF TEST            : Unscheduled DNA synthesis
TEST SYSTEM             : Rodent - hamster Embryo
DOSE/DURATION           : 1 mg/L
REFERENCE :
   SHIGAZ Shigaku.  Ondotology.  (Nippon Shika Daigaku Shigakkai, 1-9-20
   Fujimi, Chiyodaku, Tokyo 102, Japan)  V.38-    1949-
   Volume(issue)/page/year: 74,1365,1987
 
TYPE OF TEST            : Sister chromatid exchange
TEST SYSTEM             : Rodent - hamster Embryo
DOSE/DURATION           : 300 ug/L
REFERENCE :
   SHIGAZ Shigaku.  Ondotology.  (Nippon Shika Daigaku Shigakkai, 1-9-20
   Fujimi, Chiyodaku, Tokyo 102, Japan)  V.38-    1949-
   Volume(issue)/page/year: 74,1365,1987

                              *** REVIEWS ***
 
   TOXICOLOGY REVIEW
   JRPMAP Journal of Reproductive Medicine.  (2 Jacklynn Ct., St. Louis, MO
   63132)  V.3-    1969-  Volume(issue)/page/year: 12,27,1974

                    *** U.S. STANDARDS AND REGULATIONS ***
 
   EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION
   FEREAC Federal Register.  (U.S. Government Printing Office, Supt. of
   Documents, Washington, DC 20402) V.1-    1936-  Volume(issue)/page/year:
   54,7740,1989

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - 73040
       No. of Facilities: 617 (estimated)
       No. of Industries: 9
       No. of Occupations: 15
       No. of Employees: 13138 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 73040
       No. of Facilities: 1050 (estimated)
       No. of Industries: 16
       No. of Occupations: 23
       No. of Employees: 21355 (estimated)
       No. of Female Employees: 14083 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA GENETOX PROGRAM 1988, Inconclusive: D melanogaster Sex-linked lethal
   
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   EPA TSCA Section 8(d) unpublished health/safety studies
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998

 
                            *** END OF RECORD ***