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MSDS  : p-Xylene
CAS  : 106-42-3
SYNONYMS  : * Chromar * p-Dimethylbenzene * 1,4-Dimethylbenzene * p-Methyltoluene * Scintillar * 1,4-Xylene * p-Xylene * P-Xylol
*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER : ZE2625000
CHEMICAL NAME : p-Xylene
CAS REGISTRY NUMBER : 106-42-3
LAST UPDATED : 199712
DATA ITEMS CITED : 30
MOLECULAR FORMULA : C8-H10
MOLECULAR WEIGHT : 106.18
WISWESSER LINE NOTATION : 1R D1
COMPOUND DESCRIPTOR : Reproductive Effector
SYNONYMS/TRADE NAMES :
* Chromar
* p-Dimethylbenzene
* 1,4-Dimethylbenzene
* p-Methyltoluene
* Scintillar
* 1,4-Xylene
* p-Xylene
* P-Xylol

*** 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 : 5 gm/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 : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 4550 ppm/4H
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - chronic pulmonary edema
Liver - other changes
Blood - changes in cell count (unspecified)
REFERENCE :
36YFAG "Biological Reactive Intermediates, Formation, Toxicity and
Inactivation, Proceedings of the International Conference, Turku, Finland,
1975," Jollow, D.J., et al., eds., New York, Plenum Pub. Corp., 1977
Volume(issue)/page/year: -,302,1977

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 3810 mg/kg
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - chronic pulmonary edema
Liver - other changes
Blood - changes in cell count (unspecified)
REFERENCE :
36YFAG "Biological Reactive Intermediates, Formation, Toxicity and
Inactivation, Proceedings of the International Conference, Turku, Finland,
1975," Jollow, D.J., et al., eds., New York, Plenum Pub. Corp., 1977
Volume(issue)/page/year: -,302,1977

TYPE OF TEST : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 15 gm/m3
TOXIC EFFECTS :
Behavioral - general anesthetic
Lungs, Thorax, or Respiration - respiratory depression
Cardiac - other changes
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: 143,223,1929

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 2450 uL/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000
Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year:
58,106,1985

TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Mammal - species unspecified
DOSE/DURATION : 2 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JPBAA7 Journal of Pathology and Bacteriology. (London, UK) V.1-96,
1892-1968. For publisher information, see JPTLAS. Volume(issue)/page/year:
46,95,1938

TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Mammal - species unspecified
DOSE/DURATION : 5 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JPBAA7 Journal of Pathology and Bacteriology. (London, UK) V.1-96,
1892-1968. For publisher information, see JPTLAS. Volume(issue)/page/year:
46,95,1938

** REPRODUCTIVE DATA **

TYPE OF TEST : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - rat
DOSE : 3000 mg/m3/24H
SEX/DURATION : female 9-10 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
e.g., stunted fetus)
Reproductive - Maternal Effects - other effects
Endocrine - estrogenic
REFERENCE :
TXCYAC Toxicology. (Elsevier Scientific Pub. Ireland, Ltd., POB 85,
Limerick, Ireland) V.1- 1973- Volume(issue)/page/year: 19,263,1981

TYPE OF TEST : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - rat
DOSE : 150 mg/m3/24H
SEX/DURATION : female 7-14 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - extra-embryonic structures
(e.g., placenta, umbilical cord)
Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
TXCYAC Toxicology. (Elsevier Scientific Pub. Ireland, Ltd., POB 85,
Limerick, Ireland) V.1- 1973- Volume(issue)/page/year: 18,61,1980

TYPE OF TEST : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - rat
DOSE : 3000 mg/m3/24H
SEX/DURATION : female 7-14 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)
REFERENCE :
TXCYAC Toxicology. (Elsevier Scientific Pub. Ireland, Ltd., POB 85,
Limerick, Ireland) V.1- 1973- Volume(issue)/page/year: 18,61,1980

TYPE OF TEST : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - rat
DOSE : 7 gm/m3
SEX/DURATION : female 7-16 day(s) after conception
TOXIC EFFECTS :
Reproductive - Maternal Effects - other effects
REFERENCE :
TOLED5 Toxicology Letters. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1977- Volume(issue)/page/year: 34,223,1986

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE : 12 mg/kg
SEX/DURATION : female 12-15 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - craniofacial
(including nose and tongue)
REFERENCE :
APTOD9 Abstracts of Papers, Society of Toxicology. Annual Meetings.
(Academic Press, Inc., 1 E. First St., Duluth, MN 55802)
Volume(issue)/page/year: 19,A22,1980

TYPE OF TEST : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - mouse
DOSE : 500 mg/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 : 1 gm/m3/24H
SEX/DURATION : female 7-20 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or
resorbed implants per total number of implants)
Reproductive - Fertility - abortion
Reproductive - Effects on Embryo or Fetus - fetal death
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

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

*** U.S. STANDARDS AND REGULATIONS ***

MSHA STANDARD-air:TWA 100 ppm (440 mg/m3) (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:
3,281,1971

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

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

NIOSH RECOMMENDED EXPOSURE LEVEL (REL) :
NIOSH REL TO p-XYLENE-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 - M1028
No. of Facilities: 62 (estimated)
No. of Industries: 4
No. of Occupations: 10
No. of Employees: 1912 (estimated)

NOES - National Occupational Exposure Survey (1983)
NOES Hazard Code - M1028
No. of Facilities: 1994 (estimated)
No. of Industries: 22
No. of Occupations: 21
No. of Employees: 20366 (estimated)
No. of Female Employees: 6336 (estimated)

*** STATUS IN U.S. ***

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 ***
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ALL Chemical Property And Toxicity Analysis PAGES IN THIS GROUP
NAMECAS
Venom, spider, Latrodectus indistinctus 37319-17-8
Xylene 1330-20-7
Xylene (mixed)SUBSTANCE DEFINITION :Composition is nonaromatics .07%, toluene .14%, ethyl benzene 19.27%,p-xylene 7.84%, m-xylene 65.01%, o-xylene 7.63%, C9 and aromatics .04%REFERENCE :TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E.First St., Duluth, MN 55802) V.1- 1959- 1330-20-7
m-Xylene 108-38-3
o-Xylene 95-47-6
p-Xylene 106-42-3
1,3-Xylene, 2-allyloxy-5-bromo- 100125-86-8
m-Xylene, 2-arsenoso- 100125-86-8
2,4-Xylenearsonic acid 64038-50-2
2,5-Xylenearsonic acid 64038-51-3
x,x-Xylenearsonic acid 64047-32-1
Venom, spider, Latrodectus mactans 64047-32-1
2,4-Xylenearsonic acid,magnesium 102585-11-5
Xylene, bromo- 28258-59-5
m-Xylene, 5-tert-butyl- 98-19-1
m-Xylene, 5-chloro- 556-97-8
p-Xylene, alpha-chloro- 104-82-5
p-Xylene-alpha,alpha'-diamine,N-(2-chloroethyl)-N-methyl- 102585-12-6
p-Xylene-alpha,alpha'-diamine, N,N'-dibutyl-,dihydrochloride 102585-12-6
p-Xylene-alpha,alpha'-diamine, N,N'-dipentyl-,dihydrochloride 102585-12-6
p-Xylene-alpha,alpha'-diamine, N,N'-dipropyl-,dihydrochloride 93865-87-3
m-Xylene-alpha,alpha'-diamine, 2,4,5,6-tetrachloro- 16969-06-5
Venom, spider, Latrodectus mactans mactans 16969-06-5
Xylene, alpha,alpha'-dichloro- 28347-13-9
m-Xylene, alpha,alpha'-dichloro- 626-16-4
o-Xylene, alpha,alpha'-dichloro- 612-12-4
p-Xylene, alpha,alpha'-dichloro- 623-25-6
m-Xylene, 2,4-dinitro- 603-02-1
m-Xylene, 4,6-dinitro- 616-72-8
m-Xylene-alpha,alpha'-diol,alpha'-((tert-butylamino)methyl)-4-hydroxy- 18559-94-9
m-Xylene-alpha,alpha'-diol,alpha-((tert-butylamino)methyl)-4-hydroxy-, sulfate(2:1) 18559-94-9
m-Xylene-alpha,alpha'-diol, 2,4,5,6-tetrachloro- 39568-89-3
m-Xylene-alpha,alpha'-dioxirane 64038-52-4
Venom, spider, Latrodectus pallidus 64038-52-4
m-Xylene, 4-(epoxyethyl)- 80648-26-6
1,2-Xylene, 4-(epoxyethyl)- 1855-36-3
Xylene, (ethylenebis(oxyethyleneoxy))di- 1855-36-3
o-Xylene, 3-fluoro- 443-82-3
m-Xylene,alpha,alpha,alpha,alpha',alpha',alpha'-hexachloro- 881-99-2
p-Xylene, hexachloro- 28064-98-4
p-Xylene,alpha,alpha,alpha,alpha',alpha',alpha'-hexachloro- 68-36-0
m-Xylene, 2-nitro- 81-20-9
p-Xylene, 2-nitro- 89-58-7
Xylene, (oxybis(ethyleneoxy))di- 89-58-7
Venom, spider, Latrodectus tredecimguttatus 89-58-7
2,4-Xylenesulfonic acid 88-61-9
Xylenesulfonic acid, sodium salt 1300-72-7
3,4-Xylenesulfonic acid, 6-(p-toluoyl)-, sodium salt 98257-39-7
m-Xylene, alpha,alpha,alpha',alpha'-tetrabromo- 36323-28-1
p-Xylene, alpha,alpha,alpha',alpha'-tetrabromo- 23488-38-2

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