*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : UX1050000
CHEMICAL NAME           : Pyrocatechol
CAS REGISTRY NUMBER     : 120-80-9
BEILSTEIN REFERENCE NO. : 0471401
REFERENCE               : 4-06-00-05557 (Beilstein Handbook Reference)
LAST UPDATED            : 199712
DATA ITEMS CITED        : 75
MOLECULAR FORMULA       : C6-H6-O2
MOLECULAR WEIGHT        : 110.12
WISWESSER LINE NOTATION : QR BQ
COMPOUND DESCRIPTOR     : Agricultural Chemical
                          Tumorigen
                          Mutagen
                          Reproductive Effector
SYNONYMS/TRADE NAMES :
   * Benzene, o-dihydroxy-
   * o-Benzenediol
   * 1,2-Benzenediol
   * Catechin (phenol)
   * Catechol
   * Catechol (phenol)
   * C.I. 76500
   * C.I. Oxidation Base 26
   * o-Dihydroxybenzene
   * 1,2-Dihydroxybenzene
   * o-Dioxybenzene
   * o-Diphenol
   * Durafur developer C
   * Fouramine PCH
   * Fourrine 68
   * o-Hydroquinone
   * o-Hydroxyphenol
   * 2-Hydroxyphenol
   * Katechol
   * NCI-C55856
   * Oxyphenic acid
   * Pelagol Grey C
   * o-Phenylenediol
   * Phthalhydroquinone
   * Pyrocatechin
   * Pyrocatechine
   * Pyrokatechin
 
                       *** 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           : 260 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   AFREAW Advances in Food Research.  (Academic Press, Inc., 1 E. First St.,
   Duluth, MN 55802) V.1-32, 1948-88.  Volume(issue)/page/year: 3,197,1951
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 110 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans
   Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium)  V.4-   
   1898-  Volume(issue)/page/year: 176,193,1968
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 260 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   AFREAW Advances in Food Research.  (Academic Press, Inc., 1 E. First St.,
   Duluth, MN 55802) V.1-32, 1948-88.  Volume(issue)/page/year: 3,197,1951
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 68 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   PHTOEH Pharmacology and Toxicology (Copenhagen).  (Munksgaard International
   Pub., POB 2148, DK-1016 Copenhagen K, Denmark)  V.60-    1987-
   Volume(issue)/page/year: 64,247,1989
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 247 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   INHEAO Industrial Health.  (National Institute of Industrial Health, 6-21-1
   Nagao, Tama-ku, Kawasaki, 213 Japan)  V.1-    1963- Volume(issue)/page/year:
   5,143,1967
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : 130 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   IPSTB3 International Polymer Science and Technology.  (Rapra Technology
   Ltd., Shawbury, Shrewsbury, Shropshire SY4 4NR, UK) Volume(issue)/page/year:
   3,93,1976
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : 40 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: 1,62,1955
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - cat
DOSE/DURATION           : 100 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   IPSTB3 International Polymer Science and Technology.  (Rapra Technology
   Ltd., Shawbury, Shrewsbury, Shropshire SY4 4NR, UK) Volume(issue)/page/year:
   3,93,1976
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 200 mg/kg
TOXIC EFFECTS :
   Behavioral - altered sleep time (including change in righting reflex)
   Blood - leukopenia
   Blood - methemoglobinemia-carboxyhemoglobin
REFERENCE :
   38MKAJ "Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton,
   G.D., and F.E. Clayton, eds., New York, John Wiley & Sons, Inc., 1978-82.
   Vol. 3 originally pub. in 1979; pub. as 2nd rev. ed. in 1985.
   Volume(issue)/page/year: 2A,2585,1981
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 800 mg/kg
TOXIC EFFECTS :
   Skin and Appendages - primary irritation (after topical exposure)
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   AIHAAP American Industrial Hygiene Association Journal.  (AIHA, 475 Wolf
   Ledges Pkwy., Akron, OH 44311)  V.19-    1958-  Volume(issue)/page/year:
   37,596,1976
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 225 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JAFCAU Journal of Agricultural and Food Chemistry.  (American Chemical Soc.,
   Distribution Office Dept. 223, POB 57136, West End Stn., Washington, DC
   20037)  V.1-    1953-  Volume(issue)/page/year: 17,497,1969
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 210 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   AFREAW Advances in Food Research.  (Academic Press, Inc., 1 E. First St.,
   Duluth, MN 55802) V.1-32, 1948-88.  Volume(issue)/page/year: 3,197,1951
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - guinea pig
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: 1,62,1955
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 200 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: 1,62,1955
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Amphibian - frog
DOSE/DURATION           : 160 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: 1,62,1955
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Parenteral
SPECIES OBSERVED        : Amphibian - frog
DOSE/DURATION           : 160 mg/kg
TOXIC EFFECTS :
   Peripheral Nerve and Sensation - spastic paralysis with or without sensory
   change
   Behavioral - convulsions or effect on seizure threshold
REFERENCE :
   AEPPAE Naunyn-Schmiedeberg's Archiv fuer Experimentelle Pathologie und
   Pharmakologie.  (Berlin, Ger.) V.110-253, 1925-66.  For publisher
   information, see NSAPCC.  Volume(issue)/page/year: 166,437,1932
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - species unspecified
DOSE/DURATION           : 240 mg/kg
TOXIC EFFECTS :
   Behavioral - changes in motor activity (specific assay)
   Behavioral - muscle contraction or spasticity
   Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
   TPKVAL Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv.
   Toxicology of New Industrial Chemical Substances.  For English translation,
   see TNICS*.  (Izdatel'stvo Meditsina, Moscow, USSR)  No.1-    1961-
   Volume(issue)/page/year: 15,136,1979
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Bird - chicken
DOSE/DURATION           : 98 gm/kg/4W-I
TOXIC EFFECTS :
   Related to Chronic Data - death
REFERENCE :
   FEPRA7 Federation Proceedings, Federation of American Societies for
   Experimental Biology. (Bethesda, MD)  V.1-46, 1942-87.
   Volume(issue)/page/year: 29,568,1970
 
                          ** TUMORIGENIC DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 437 gm/kg/2Y-C
TOXIC EFFECTS :
   Tumorigenic - Carcinogenic by RTECS criteria
   Gastrointestinal - tumors
REFERENCE :
   JJCREP Japanese Journal of Cancer Research. (Elsevier Science Pub. BV, POB
   211, 1000 AE Amsterdam, Netherlands)  V.76-    1985-
   Volume(issue)/page/year: 81,207,1990
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 645 gm/kg/96W-C
TOXIC EFFECTS :
   Tumorigenic - Carcinogenic by RTECS criteria
   Gastrointestinal - tumors
REFERENCE :
   JJCREP Japanese Journal of Cancer Research. (Elsevier Science Pub. BV, POB
   211, 1000 AE Amsterdam, Netherlands)  V.76-    1985-
   Volume(issue)/page/year: 81,207,1990
 
TYPE OF TEST            : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 60640 mg/kg/24W-C
TOXIC EFFECTS :
   Tumorigenic - neoplastic by RTECS criteria
   Gastrointestinal - tumors
REFERENCE :
   JJCREP Japanese Journal of Cancer Research. (Elsevier Science Pub. BV, POB
   211, 1000 AE Amsterdam, Netherlands)  V.76-    1985-
   Volume(issue)/page/year: 77,854,1986
 
TYPE OF TEST            : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 349 gm/kg/2Y-C
TOXIC EFFECTS :
   Tumorigenic - Carcinogenic by RTECS criteria
   Gastrointestinal - tumors
REFERENCE :
   FCTOD7 Food and Chemical Toxicology.  (Pergamon Press Inc., Maxwell House,
   Fairview Park, Elmsford, NY 10523)  V.20-    1982- Volume(issue)/page/year:
   33,93,1995
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 171 gm/kg/51W-C
TOXIC EFFECTS :
   Tumorigenic - Carcinogenic by RTECS criteria
   Gastrointestinal - tumors
REFERENCE :
   JJCREP Japanese Journal of Cancer Research. (Elsevier Science Pub. BV, POB
   211, 1000 AE Amsterdam, Netherlands)  V.76-    1985-
   Volume(issue)/page/year: 85,17,1994
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 1 gm/kg
SEX/DURATION            : female 11 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Fertility - litter size (e.g. # fetuses per litter; measured
   before birth)
REFERENCE :
   TJADAB Teratology, The International Journal of Abnormal Development. (Alan
   R. Liss, Inc., 41 E. 11th St., New York, NY 10003)  V.1-    1968-
   Volume(issue)/page/year: 41,43,1990
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 5 mg/kg
SEX/DURATION            : female 1 day(s) pre-mating
TOXIC EFFECTS :
   Reproductive - Maternal Effects - ovaries, fallopian tubes
REFERENCE :
   ENDOAO Endocrinology (Baltimore).  (Williams & Wilkins Co., 428 E. Preston
   St., Baltimore, MD 21203) V.1-    1917-  Volume(issue)/page/year:
   57,466,1955
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 15 umol/plate
REFERENCE :
   PAACA3 Proceedings of the American Association for Cancer Research. (Waverly
   Press, 428 E. Preston St., Baltimore, MD 21202)  V.1-    1954-
   Volume(issue)/page/year: 20,117,1979
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 4 ug/plate
REFERENCE :
   ABCHA6 Agricultural and Biological Chemistry.  (Maruzen Co. Ltd., POB 5050,
   Tokyo International, Tokyo 100-31, Japan)  V.25-    1961-
   Volume(issue)/page/year: 45,327,1981
 
TYPE OF TEST            : DNA repair
TEST SYSTEM             : Bacteria - Bacillus subtilis
DOSE/DURATION           : 500 mg/L
REFERENCE :
   ESKGA2 Eisei Kagaku.  Hygienic Chemistry.  (Nippon Yakugakkai, 2-12-15
   Shibuya, Shibuya-ku, Tokyo 150, Japan)  V.1-    1953-
   Volume(issue)/page/year: 32,171,1986
 
TYPE OF TEST            : Gene conversion and mitotic recombination
TEST SYSTEM             : Yeast - Saccharomyces cerevisiae
DOSE/DURATION           : 300 mg/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 135,109,1984
 
TYPE OF TEST            : DNA damage
TEST SYSTEM             : Microorganism - not otherwise specified
DOSE/DURATION           : 10 mmol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 368,235,1996
 
TYPE OF TEST            : Gene conversion and mitotic recombination
TEST SYSTEM             : Mold - Aspergillus nidulans
DOSE/DURATION           : 10 mmol/L
REFERENCE :
   MUTAEX Mutagenesis. (Oxford Univ. Press, Pinkhill House, Southfield Road,
   Eynsham, Oxford OX8 1JJ, UK) V.1- 1986-  Volume(issue)/page/year: 2,235,1987
 
TYPE OF TEST            : DNA damage
TEST SYSTEM             : Human Lymphocyte
DOSE/DURATION           : 100 umol/L
REFERENCE :
   EMMUEG Environmental and Molecular Mutagenesis.  (Alan R. Liss, Inc., 41 E.
   11th St., New York, NY 10003)  V.10-    1987-  Volume(issue)/page/year:
   26,305,1995
 
TYPE OF TEST            : DNA inhibition
TEST SYSTEM             : Human HeLa cell
DOSE/DURATION           : 200 umol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 92,427,1982
 
TYPE OF TEST            : Mutation test systems - not otherwise specified
TEST SYSTEM             : Human Lymphocyte
DOSE/DURATION           : 40 umol/L
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   40,1189,1980
 
TYPE OF TEST            : Sister chromatid exchange
TEST SYSTEM             : Human Lymphocyte
DOSE/DURATION           : 40 umol/L
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   40,1189,1980
 
TYPE OF TEST            : DNA damage
TEST SYSTEM             : Rodent - rat Liver
DOSE/DURATION           : 3 mmol/L
REFERENCE :
   CALEDQ Cancer Letters (Shannon, Ireland).  (Elsevier Scientific Pub. Ireland
   Ltd., POB 85, Limerick, Ireland)  V.1-    1975- Volume(issue)/page/year:
   63,47,1992
 
TYPE OF TEST            : Unscheduled DNA synthesis
ROUTE OF EXPOSURE       : Oral
TEST SYSTEM             : Rodent - rat
DOSE/DURATION           : 1 gm/kg
REFERENCE :
   JJIND8 JNCI, Journal of the National Cancer Institute.  (Washington, DC)
   V.61-79, 1978-87. For publisher information, see JNCIEQ.
   Volume(issue)/page/year: 74,1283,1985
 
TYPE OF TEST            : Micronucleus test
ROUTE OF EXPOSURE       : Oral
TEST SYSTEM             : Rodent - mouse
DOSE/DURATION           : 40 mg/kg
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 208,61,1988
 
TYPE OF TEST            : Micronucleus test
ROUTE OF EXPOSURE       : Intraperitoneal
TEST SYSTEM             : Rodent - mouse
DOSE/DURATION           : 10 mg/kg
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 341,29,1994
 
TYPE OF TEST            : DNA damage
TEST SYSTEM             : Rodent - mouse Lymphocyte
DOSE/DURATION           : 500 umol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 203,155,1988
 
TYPE OF TEST            : DNA inhibition
TEST SYSTEM             : Rodent - mouse Lymphocyte
DOSE/DURATION           : 250 umol/L
REFERENCE :
   MOPMA3 Molecular Pharmacology.  (Williams & Wilkins Co., 428 E. Preston St.,
   Baltimore, MD 21202) V.1-    1965-  Volume(issue)/page/year: 28,560,1985
 
TYPE OF TEST            : Mutation in mammalian somatic cells
TEST SYSTEM             : Rodent - mouse Lymphocyte
DOSE/DURATION           : 2500 ug/L
REFERENCE :
   EMMUEG Environmental and Molecular Mutagenesis.  (Alan R. Liss, Inc., 41 E.
   11th St., New York, NY 10003)  V.10-    1987-  Volume(issue)/page/year:
   11,523,1988
 
TYPE OF TEST            : Micronucleus test
TEST SYSTEM             : Rodent - hamster Lung
DOSE/DURATION           : 25 umol/L
REFERENCE :
   EVHPAZ EHP, Environmental Health Perspectives.  (U.S. Government Printing
   Office, Supt of Documents, Washington, DC 20402)  No.1-    1972-
   Volume(issue)/page/year: 82,81,1989
 
TYPE OF TEST            : Morphological transformation
TEST SYSTEM             : Rodent - hamster Embryo
DOSE/DURATION           : 1 umol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 373,113,1997
 
TYPE OF TEST            : Unscheduled DNA synthesis
TEST SYSTEM             : Rodent - hamster Embryo
DOSE/DURATION           : 1 umol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 373,113,1997
 
TYPE OF TEST            : Cytogenetic analysis
TEST SYSTEM             : Rodent - hamster Embryo
DOSE/DURATION           : 3 umol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 373,113,1997
 
TYPE OF TEST            : Cytogenetic analysis
TEST SYSTEM             : Rodent - hamster Ovary
DOSE/DURATION           : 50 mg/L
REFERENCE :
   CALEDQ Cancer Letters (Shannon, Ireland).  (Elsevier Scientific Pub. Ireland
   Ltd., POB 85, Limerick, Ireland)  V.1-    1975- Volume(issue)/page/year:
   14,251,1981
 
TYPE OF TEST            : Sister chromatid exchange
TEST SYSTEM             : Rodent - hamster Lung
DOSE/DURATION           : 12500 nmol/L
REFERENCE :
   EVHPAZ EHP, Environmental Health Perspectives.  (U.S. Government Printing
   Office, Supt of Documents, Washington, DC 20402)  No.1-    1972-
   Volume(issue)/page/year: 82,81,1989
 
TYPE OF TEST            : Sister chromatid exchange
TEST SYSTEM             : Rodent - hamster Embryo
DOSE/DURATION           : 10 umol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 373,113,1997
 
TYPE OF TEST            : Sex chromosome loss and nondisjunction
TEST SYSTEM             : Rodent - hamster Embryo
DOSE/DURATION           : 30 umol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 373,113,1997
 
TYPE OF TEST            : Mutation in mammalian somatic cells
TEST SYSTEM             : Rodent - hamster Embryo
DOSE/DURATION           : 10 umol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 373,113,1997
 
TYPE OF TEST            : Mutation test systems - not otherwise specified
TEST SYSTEM             : Rodent - rabbit Bone marrow
DOSE/DURATION           : 2 mmol/L
REFERENCE :
   AJIMD8 American Journal of Industrial Medicine.  (Alan R. Liss, Inc., 41 E.
   11th St., New York, NY 10003)  V.1-    1980-  Volume(issue)/page/year:
   7,485,1985

                              *** REVIEWS ***
 
   ACGIH TLV-Animal carcinogen
   DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices
   (BEIs) booklet issues by American Conference of Governmental Industrial
   Hygienists (ACGIH), Cincinnati, OH, 1996  Volume(issue)/page/year:
   TLV/BEI,1997

   ACGIH TLV-TWA 23 mg/m3 (5 ppm) (skin)
   DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices
   (BEIs) booklet issues by American Conference of Governmental Industrial
   Hygienists (ACGIH), Cincinnati, OH, 1996  Volume(issue)/page/year:
   TLV/BEI,1997

   IARC Cancer Review:Animal Inadequate 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: 15,155,1977

   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: 15,155,1977

   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
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 47,75,1978

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-AUSTRALIA:TWA 5 ppm (20 mg/m3) JAN 1993
   
   OEL-BELGIUM:TWA 5 ppm (23 mg/m3) JAN 1993
   
   OEL-DENMARK JAN 1993
   
   OEL-FINLAND:TWA 5 ppm (22 mg/m3);STEL 10 ppm (45 mg/m3) JAN 1993
   
   OEL-FRANCE:TWA 5 ppm (20 mg/m3) JAN 1993
   
   OEL-THE NETHERLANDS:TWA 5 ppm (20 mg/m3) JAN 1993
   
   OEL-SWITZERLAND:TWA 5 ppm (23 mg/m3) JAN 1993
   
   OEL-UNITED KINGDOM:TWA 5 ppm (20 mg/m3) JAN 1993
   
   OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV
   
   OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV

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

NIOSH RECOMMENDED EXPOSURE LEVEL (REL) :
   NIOSH REL TO CATECHOL-air:10H TWA 5 ppm (Sk)
REFERENCE :
   NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of
   Health, Education, and Welfare, Reports and Memoranda.
   Volume(issue)/page/year: DHHS #92-100,1992

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - M1763
       No. of Facilities: 147 (estimated)
       No. of Industries: 4
       No. of Occupations: 6
       No. of Employees: 642 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - M1763
       No. of Facilities: 700 (estimated)
       No. of Industries: 8
       No. of Occupations: 15
       No. of Employees: 13516 (estimated)
       No. of Female Employees: 5799 (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

 
                            *** END OF RECORD ***