*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : ZE2100000
CHEMICAL NAME           : Xylene
CAS REGISTRY NUMBER     : 1330-20-7
BEILSTEIN REFERENCE NO. : 1901563
REFERENCE               : 4-05-00-00951 (Beilstein Handbook Reference)
LAST UPDATED            : 199712
DATA ITEMS CITED        : 85
MOLECULAR FORMULA       : C8-H10
MOLECULAR WEIGHT        : 106.18
WISWESSER LINE NOTATION : 1R X1
COMPOUND DESCRIPTOR     : Agricultural Chemical
                          Tumorigen
                          Mutagen
                          Reproductive Effector
                          Human
                          Primary Irritant
SYNONYMS/TRADE NAMES :
   * Benzene, dimethyl-
   * Dimethylbenzene
   * Ksylen
   * Methyl toluene
   * NCI-C55232
   * RCRA waste number U239
   * Violet 3
   * Xiloli
   * Xylene
   * Xylenen
   * Xylol
   * Xylole
 
                       *** HEALTH HAZARD DATA ***
 
                      ** SKIN/EYE IRRITATION DATA **
 
TYPE OF TEST            : Standard Draize test
ROUTE OF EXPOSURE       : Administration into the eye
SPECIES OBSERVED        : Human
DOSE/DURATION           : 200 ppm
REFERENCE :
   JIHTAB Journal of Industrial Hygiene and Toxicology.  (Cambridge, MA)
   V.18-31, 1936-49.  For publisher information, see AEHLAU.
   Volume(issue)/page/year: 25,282,1943
 
TYPE OF TEST            : Standard Draize test
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 100%
REACTION SEVERITY       : Moderate
REFERENCE :
   AMIHAB AMA Archives of Industrial Health.  (Chicago, IL)  V.11-21, 1955-60.
   For publisher information, see AEHLAU.  Volume(issue)/page/year: 14,387,1956
 
TYPE OF TEST            : Standard Draize test
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 500 mg/24H
REACTION SEVERITY       : Moderate
REFERENCE :
   28ZPAK "Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku,"
   Marhold, J.V., Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu
   Praha, Czechoslovakia, 1972  Volume(issue)/page/year: -,24,1972
 
TYPE OF TEST            : Standard Draize test
ROUTE OF EXPOSURE       : Administration into the eye
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 87 mg
REACTION SEVERITY       : Mild
REFERENCE :
   AMIHAB AMA Archives of Industrial Health.  (Chicago, IL)  V.11-21, 1955-60.
   For publisher information, see AEHLAU.  Volume(issue)/page/year: 14,387,1956
 
TYPE OF TEST            : Standard Draize test
ROUTE OF EXPOSURE       : Administration into the eye
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 5 mg/24H
REACTION SEVERITY       : Severe
REFERENCE :
   28ZPAK "Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku,"
   Marhold, J.V., Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu
   Praha, Czechoslovakia, 1972  Volume(issue)/page/year: -,24,1972
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Human
DOSE/DURATION           : 50 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   YAKUD5 Gekkan Yakuji.  Pharmaceuticals Monthly.  (Yakugyo Jihosha, Inaoka
   Bldg., 2-36 Jinbo-cho, Kanda, Chiyoda-ku, Tokyo 101, Japan)  V.1-   1959-
   Volume(issue)/page/year: 22,883,1980
 
TYPE OF TEST            : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Human - man
DOSE/DURATION           : 10000 ppm/6H
TOXIC EFFECTS :
   Behavioral - general anesthetic
   Lungs, Thorax, or Respiration - cyanosis
   Blood - other changes
REFERENCE :
   BMJOAE British Medical Journal.  (British Medical Assoc., BMA House,
   Tavistock Sq., London WC1H 9JR, UK)  V.1-    1857- Volume(issue)/page/year:
   3,442,1970
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Human
DOSE/DURATION           : 200 ppm
TOXIC EFFECTS :
   Sense Organs and Special Senses (Olfaction) - effect, not otherwise
   specified
   Sense Organs and Special Senses (Eye) - conjunctive irritation
   Lungs, Thorax, or Respiration - other changes
REFERENCE :
   JIHTAB Journal of Industrial Hygiene and Toxicology.  (Cambridge, MA)
   V.18-31, 1936-49.  For publisher information, see AEHLAU.
   Volume(issue)/page/year: 25,282,1943
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 4300 mg/kg
TOXIC EFFECTS :
   Liver - other changes
   Kidney, Ureter, Bladder - other changes
REFERENCE :
   AMIHAB AMA Archives of Industrial Health.  (Chicago, IL)  V.11-21, 1955-60.
   For publisher information, see AEHLAU.  Volume(issue)/page/year: 14,387,1956
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 5000 ppm/4H
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NPIRI* Raw Material Data Handbook, Vol.1: Organic Solvents, 1974. (National
   Assoc. of Printing Ink Research Institute, Francis McDonald Sinclair
   Memorial Laboratory, Lehigh Univ., Bethlehem, PA 18015)
   Volume(issue)/page/year: 1,123,1974
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 2459 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ENVRAL Environmental Research.  (Academic Press, Inc., 1 E. First St.,
   Duluth, MN 55802) V.1-    1967-  Volume(issue)/page/year: 40,411,1986
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1700 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NPIRI* Raw Material Data Handbook, Vol.1: Organic Solvents, 1974. (National
   Assoc. of Printing Ink Research Institute, Francis McDonald Sinclair
   Memorial Laboratory, Lehigh Univ., Bethlehem, PA 18015)
   Volume(issue)/page/year: 1,123,1974
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 6 gm/kg
TOXIC EFFECTS :
   Behavioral - tremor
   Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
   NTPTR* National Toxicology Program Technical Report Series.  (Research
   Triangle Park, NC 27709) No.206-  Volume(issue)/page/year: NTP-TR-327,1986
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1548 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   AGGHAR Archiv fuer Gewerbepathologie und Gewerbehygiene.  (Berlin, Ger.)
   V.1-18, 1930-61.  For publisher information, see IAEHDW.
   Volume(issue)/page/year: 18,109,1960
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : >1700 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NPIRI* Raw Material Data Handbook, Vol.1: Organic Solvents, 1974. (National
   Assoc. of Printing Ink Research Institute, Francis McDonald Sinclair
   Memorial Laboratory, Lehigh Univ., Bethlehem, PA 18015)
   Volume(issue)/page/year: 1,123,1974
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 129 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   HAEMAX Haematologica.  (Il Pensiero Scientifico Editore, Via Panama 48,
   I-00198, Rome, Italy) V.1-    1920-  Volume(issue)/page/year: 58,491,1973
 
TYPE OF TEST            : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 450 ppm
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - other changes
   Liver - fatty liver degeneration
REFERENCE :
   JIDHAN Journal of Industrial Hygiene.  (Cambridge, MA)  V.1-17, 1919-35. For
   publisher information, see AEHLAU.  Volume(issue)/page/year: 10,261,1928
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 2 gm/kg
TOXIC EFFECTS :
   Liver - fatty liver degeneration
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - other transferases
REFERENCE :
   AIHAAP American Industrial Hygiene Association Journal.  (AIHA, 475 Wolf
   Ledges Pkwy., Akron, OH 44311)  V.19-    1958-  Volume(issue)/page/year:
   35,21,1974
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - species unspecified
DOSE/DURATION           : 4300 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   GTPZAB Gigiena Truda i Professional'nye Zabolevaniya.  Labor Hygiene and
   Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)
   V.1-36, 1957-1992. For publisher information, see MTPEEI
   Volume(issue)/page/year: 32(10),25,1988
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Mammal - species unspecified
DOSE/DURATION           : 30 gm/m3
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   GTPZAB Gigiena Truda i Professional'nye Zabolevaniya.  Labor Hygiene and
   Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)
   V.1-36, 1957-1992. For publisher information, see MTPEEI
   Volume(issue)/page/year: 32(10),25,1988
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Mammal - species unspecified
DOSE/DURATION           : 2 gm/kg
TOXIC EFFECTS :
   Peripheral Nerve and Sensation - flaccid paralysis without anesthesia
   (usually neuromuscular blockage)
   Behavioral - convulsions or effect on seizure threshold
   Behavioral - irritability
REFERENCE :
   AJHYA2 American Journal of Hygiene.  (Baltimore, MD)  V.1-80, 1921-64.  For
   publisher information, see AJEPAS.  Volume(issue)/page/year: 7,276,1927
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 28 gm/kg/14D-C
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-327,1986
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 63 gm/kg/90D-I
TOXIC EFFECTS :
   Liver - changes in liver weight
   Endocrine - changes in adrenal weight
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   BCTKAG Bromatologia i Chemia Toksykologiczna.  (Ars Polona, POB 1001, 00-068
   Warsaw 1, Poland) V.4-    1971-  Volume(issue)/page/year: 21,187,1988
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1600 ppm/20H/7D-I
TOXIC EFFECTS :
   Behavioral - general anesthetic
   Blood - changes in erythrocyte (RBC) count
   Related to Chronic Data - death
REFERENCE :
   AJHYA2 American Journal of Hygiene.  (Baltimore, MD)  V.1-80, 1921-64.  For
   publisher information, see AJEPAS.  Volume(issue)/page/year: 7,276,1927
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 15 mg/m3/24H/85D-C
TOXIC EFFECTS :
   Brain and Coverings - recordings from specific areas of CNS
   Blood - changes in leukocyte (WBC) count
REFERENCE :
   GISAAA Gigiena i Sanitariya.  For English translation, see HYSAAV.  (V/O
   Mezhdunarodnaya Kniga, 113095 Moscow, USSR)  V.1-    1936-
   Volume(issue)/page/year: 32(3),3,1967
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 800 ppm/14H/6W-I
TOXIC EFFECTS :
   Sense Organs and Special Senses (Ear) - change in acuity
REFERENCE :
   JJATDK JAT, Journal of Applied Toxicology.  (John Wiley & Sons Ltd., Baffins
   Lane, Chichester, W. Sussex PO19 1UD, UK)  V.1-    1981-
   Volume(issue)/page/year: 7,55,1987
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 300 ppm/6H/18W-I
TOXIC EFFECTS :
   Liver - other changes
   Kidney, Ureter, Bladder - other changes
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - hepatic microsomal mixed oxidase (dealkylation, hydroxylation,
   etc.)
REFERENCE :
   XENOBH Xenobiotica.  (Taylor & Francis Ltd., 4 John St., London WC1N 2ET,
   UK)  V.1-    1971-  Volume(issue)/page/year: 10,435,1980
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 12740 ug/kg/30D-I
TOXIC EFFECTS :
   Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol)
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - phosphatases
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - transaminases
REFERENCE :
   TIHEEC Toxicology and Industrial Health.  (Princeton Scientific Pub. Co.,
   POB 2155, Princeton, NJ 08540)  V.1-    1985-  Volume(issue)/page/year:
   9,479,1993
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 4128 mg/kg/3D-I
TOXIC EFFECTS :
   Brain and Coverings - other degenerative changes
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - peptidases
REFERENCE :
   NETEEC Neurotoxicology and Teratology.  (Pergamon Press Inc., Maxwell House,
   Fairview Park, Elmsford, NY 10523)  V.9-    1987- Volume(issue)/page/year:
   15,51,1993
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 28 gm/kg/14D-C
TOXIC EFFECTS :
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   NTPTR* National Toxicology Program Technical Report Series.  (Research
   Triangle Park, NC 27709) No.206-  Volume(issue)/page/year: NTP-TR-327,1986
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 250 mg/m3/24H
SEX/DURATION            : female 7-15 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
   ATSUDG Archives of Toxicology, Supplement.  (Springer-Verlag New York, Inc.,
   Service Center, 44 Hartz Way, Secaucus, NJ 07094)  No.1-    1978-
   Volume(issue)/page/year: 8,425,1985
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 50 mg/m3/6H
SEX/DURATION            : female 1-21 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Fertility - post-implantation mortality (e.g. dead and/or
   resorbed implants per total number of implants)
   Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
   e.g., stunted fetus)
   Reproductive - Specific Developmental Abnormalities - craniofacial
   (including nose and tongue)
REFERENCE :
   JHEMA2 Journal of Hygiene, Epidemiology, Microbiology, and Immunology.
   (Avicenum, Malostranske namesti 28, 11802 Prague 1, Czechoslovakia)  V.1-
   1957-  Volume(issue)/page/year: 27,337,1983
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 50 mg/m3/6H
SEX/DURATION            : female 1-21 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Specific Developmental Abnormalities - musculoskeletal system
   Reproductive - Specific Developmental Abnormalities - other developmental
   abnormalities
   Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight
   gain)
REFERENCE :
   JHEMA2 Journal of Hygiene, Epidemiology, Microbiology, and Immunology.
   (Avicenum, Malostranske namesti 28, 11802 Prague 1, Czechoslovakia)  V.1-
   1957-  Volume(issue)/page/year: 27,337,1983
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 200 ppm/6H
SEX/DURATION            : female 4-20 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Specific Developmental Abnormalities - musculoskeletal system
   Reproductive - Effects on Newborn - behavioral
REFERENCE :
   PHTOEH Pharmacology and Toxicology (Copenhagen).  (Munksgaard International
   Pub., POB 2148, DK-1016 Copenhagen K, Denmark)  V.60-    1987-
   Volume(issue)/page/year: 73,20,1993
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE                    : 20600 ug/kg
SEX/DURATION            : female 6-15 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
   e.g., stunted fetus)
   Reproductive - Specific Developmental Abnormalities - craniofacial
   (including nose and tongue)
   Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
   JTEHD6 Journal of Toxicology and Environmental Health.  (Hemisphere Pub.,
   1025 Vermont Ave., NW, Washington, DC 20005)  V.1-    1975/76-
   Volume(issue)/page/year: 9,97,1982
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE                    : 31 mg/kg
SEX/DURATION            : female 6-15 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Fertility - post-implantation mortality (e.g. dead and/or
   resorbed implants per total number of implants)
REFERENCE :
   JTEHD6 Journal of Toxicology and Environmental Health.  (Hemisphere Pub.,
   1025 Vermont Ave., NW, Washington, DC 20005)  V.1-    1975/76-
   Volume(issue)/page/year: 9,97,1982
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - mouse
DOSE                    : 4000 ppm/6H
SEX/DURATION            : female 6-12 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight
   gain)
   Reproductive - Effects on Newborn - physical
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: 28,22A,1983
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - mouse
DOSE                    : 2000 ppm/6H
SEX/DURATION            : female 6-12 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
   e.g., stunted fetus)
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: 28,22A,1983
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - mouse
DOSE                    : 1 gm/m3/12H
SEX/DURATION            : female 6-15 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
   e.g., stunted fetus)
   Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
   ATSUDG Archives of Toxicology, Supplement.  (Springer-Verlag New York, Inc.,
   Service Center, 44 Hartz Way, Secaucus, NJ 07094)  No.1-    1978-
   Volume(issue)/page/year: 8,425,1985
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rabbit
DOSE                    : 500 mg/m3/24H
SEX/DURATION            : female 7-20 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
   e.g., stunted fetus)
REFERENCE :
   ATSUDG Archives of Toxicology, Supplement.  (Springer-Verlag New York, Inc.,
   Service Center, 44 Hartz Way, Secaucus, NJ 07094)  No.1-    1978-
   Volume(issue)/page/year: 8,425,1985
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rabbit
DOSE                    : 1 gm/m3/24H
SEX/DURATION            : female 7-20 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Fertility - abortion
REFERENCE :
   ATSUDG Archives of Toxicology, Supplement.  (Springer-Verlag New York, Inc.,
   Service Center, 44 Hartz Way, Secaucus, NJ 07094)  No.1-    1978-
   Volume(issue)/page/year: 8,425,1985

                              *** REVIEWS ***
 
   ACGIH TLV-Not classifiable as a human 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-STEL 651 mg/m3 (150 ppm)
   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 434 mg/m3 (100 ppm)
   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: 47,125,1989

   IARC Cancer Review:Human 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: 47,125,1989

   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: 47,125,1989

   TOXICOLOGY REVIEW
   DCTODJ Drug and Chemical Toxicology.  (Marcel Dekker, 270 Madison Ave., New
   York, NY 10016) V.1-    1977/78-  Volume(issue)/page/year: 8,281,1985

                    *** 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

   OSHA PEL (Gen Indu):8H TWA 100 ppm (435 mg/m3)
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   29,1910.1000,1994

   OSHA PEL (Construc):8H TWA 100 ppm (435 mg/m3)
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   29,1926.55,1994

   OSHA PEL (Shipyard):8H TWA 100 ppm (435 mg/m3)
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   29,1915.1000,1993

   OSHA PEL (Fed Cont):8H TWA 100 ppm (435 mg/m3)
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   41,50-204.50,1994

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-ARAB Republic of Egypt:TWA 0.5 ppm (0.9 mg/m3) JAN 1993
   
   OEL-AUSTRALIA:TWA 80 ppm (330 mg/m3);STEL 150 ppm (655 mg/m3) JAN 1993
   
   OEL-BELGIUM:TWA 100 ppm (434 mg/m3);STEL 150 ppm (651 mg/m3) JAN 1993
   
   OEL-DENMARK:TWA 50 ppm (217 mg/m3);Skin JAN 1993
   
   OEL-FINLAND:TWA 100 ppm (435 mg/m3);STEL 150 ppm;Skin JAN 1993
   
   OEL-FRANCE:TWA 100 ppm (435 mg/m3);STEL 150 ppm (650 mg/m3) JAN 1993
   
   OEL-GERMANY:TWA 100 ppm (440 mg/m3) JAN 1993
   
   OEL-HUNGARY:TWA 100 mg/m3;STEL 300 mg/m3 JAN 1993
   
   OEL-JAPAN:TWA 100 ppm (430 mg/m3) JAN 1993
   
   OEL-THE NETHERLANDS:TWA 100 ppm (435 mg/m3);Skin JAN 1993
   
   OEL-THE PHILIPPINES:TWA 0.1 mg/m3 JAN 1993
   
   OEL-POLAND:TWA 100 mg/m3 JAN 1993
   
   OEL-SWEDEN:TWA 50 ppm (200 mg/m3);STEL 100 ppm (450 mg/m3);Skin JAN 1993
   
   OEL-SWITZERLAND:TWA 100 ppm (436 mg/m3);STEL 200 ppm (870 mg/m3) JAN 1993
   
   OEL-THAILAND:TWA 100 ppm (435 mg/m3) JAN 1993
   
   OEL-TURKEY:TWA 100 ppm (435 mg/m3) JAN 1993
   
   OEL-UNITED KINGDOM:TWA 100 ppm (435 mg/m3);STEL 150 ppm;Skin 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 XYLENE, isomers-air:10H TWA 100 ppm;STEL 150 ppm
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 - 76720
       No. of Facilities: 99920 (estimated)
       No. of Industries: 367
       No. of Occupations: 193
       No. of Employees: 1016020 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 76720
       No. of Facilities: 139914 (estimated)
       No. of Industries: 401
       No. of Occupations: 230
       No. of Employees: 2145039 (estimated)
       No. of Female Employees: 408656 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA GENETOX PROGRAM 1988, Negative: In vitro SCE-human lymphocytes; In vitro
   SCE-human
   
   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 Section 8(e) Risk Notification, 8EHQ-0892-9180;8EHQ-0892-9184
   
   On EPA IRIS database
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998
   
   NTP CARCINOGENESIS STUDIES (GAVAGE);NO EVIDENCE:MOUSE, RAT
   NTPTR* National Toxicology Program Technical Report Series.  (Research
   Triangle Park, NC 27709) No.206-  Volume(issue)/page/year: NTP-TR-327,1986

   NIOSH Analytical Method, 1994: Hydrocarbons, aromatic, 1501
   
   NIOSH Analytical Method, 1996: Volatile organic compound, 2549

 
                            *** END OF RECORD ***