p-Xylene

Modify Date: 2024-01-02 17:29:24

p-Xylene Structure
p-Xylene structure
Common Name p-Xylene
CAS Number 106-42-3 Molecular Weight 106.165
Density 0.861 Boiling Point 138 °C at 760 mmHg
Molecular Formula C8H10 Melting Point 13ºC
MSDS Chinese USA Flash Point 27.2±0.0 °C
Symbol GHS02 GHS07
GHS02, GHS07
Signal Word Warning

 Names

Name p-Xylene
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.861
Boiling Point 138 °C at 760 mmHg
Melting Point 13ºC
Molecular Formula C8H10
Molecular Weight 106.165
Flash Point 27.2±0.0 °C
Exact Mass 106.078247
LogP 3.14
Vapour density 3.7 (vs air)
Vapour Pressure 7.9±0.1 mmHg at 25°C
Index of Refraction 1.500
Stability Stable. Incompatible with oxidizing agents. Hygroscopic. Flammable.

 Toxicological Information

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

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
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
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
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
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
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
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
DOSE :
1 gm/m3/24H
SEX/DURATION :
female 7-20 day(s) after conception
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)

 Safety Information

Symbol GHS02 GHS07
GHS02, GHS07
Signal Word Warning
Hazard Statements H226-H312 + H332-H315
Precautionary Statements P280
Personal Protective Equipment Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes Xn:Harmful
Risk Phrases R10;R20/21;R38
Safety Phrases S25
RIDADR UN 1307 3/PG 3
WGK Germany 2
RTECS ZE2625000
Packaging Group III
Hazard Class 3.0
HS Code 2902430000

 Synthetic Route

 Customs

HS Code 2902430000
Summary 2902430000 p-xylene。Supervision conditions:None。VAT:17.0%。Tax rebate rate:13.0%。Lowest tariff:2.0%。General tariff:20.0%

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 Synonyms

MFCD00008556
4-methyltoluene
1,4-Dimethylbenzene
Paraxylene
1,4-dimethyl-benzene
para-xylene
EINECS 203-396-5
p-methyl-toluene
p-Xylol
p-dimethylbenzene
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