Skip Navigation
ChemIDplus A TOXNET DATABASE LiteBrowseAdvanced

Substance Name: 2-Xylene
RN: 95-47-6
UNII: Z2474E14QP
InChIKey: CTQNGGLPUBDAKN-UHFFFAOYSA-N

Molecular Formula

  • C8-H10

Molecular Weight

  • 106.167
 

Classification Codes

Classification Codes

  • Human Data
  • Reproductive Effect

Superlist Classification Codes

  • Overall Carcinogenic Evaluation: Group 3
  • Reportable Quantity (RQ) = 1000 lb
  • TWA (100 ppm); STEL (150 ppm); Not classifiable as a human carcinogen; BEI
  • TWA 100 mg/m3 (435 ppm)

Names and Synonyms

Name of Substance

  • 2-Xylene

Synonyms

  • 1,2-Dimethylbenzene
  • 1,2-Xylene
  • 3,4-Xylene
  • AI3-08197
  • Benzene, 1,2-dimethyl-
  • CCRIS 905
  • EC 202-422-2
  • EINECS 202-422-2
  • HSDB 134
  • NSC 60920
  • o-Dimethylbenzene
  • o-Methyltoluene
  • o-Xylene
  • o-Xylol
  • UNII-Z2474E14QP

Systematic Names

  • Benzene, 1,2-dimethyl-
  • o-Xylene

Superlist Names

  • Benzene, 1,2-dimethyl-
  • Benzene, o-dimethyl-
  • o-Xylene
  • o-Xylene [UN1307] [Flammable liquid]
  • o-Xylenes
  • UN1307
  • Xylene, o-

Registry Numbers

CAS Registry Number

  • 95-47-6

FDA UNII

  • Z2474E14QP

System Generated Number

  • 0000095476

Structure Descriptors

InChI

1S/C8H10/c1-7-5-3-4-6-8(7)2/h3-6H,1-2H3

InChIKey

CTQNGGLPUBDAKN-UHFFFAOYSA-N

Smiles

c1(c(cccc1)C)C

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
human LCLo inhalation 6125ppm/12H (6125ppm)   Gekkan Yakuji. Pharmaceuticals Monthly. Vol. 22, Pg. 883, 1980.
mammal (species unspecified) LDLo intraperitoneal 1500mg/kg (1500mg/kg)   Journal of Pathology and Bacteriology. Vol. 46, Pg. 95, 1938.
mammal (species unspecified) LDLo subcutaneous 2500mg/kg (2500mg/kg)   Journal of Pathology and Bacteriology. Vol. 46, Pg. 95, 1938.
mouse LCLo inhalation 30gm/m3 (30000mg/m3) BEHAVIORAL: GENERAL ANESTHETIC

LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION

CARDIAC: OTHER CHANGES
Naunyn-Schmiedeberg's Archiv fuer Experimentelle Pathologie und Pharmakologie. Vol. 143, Pg. 223, 1929.
mouse LD50 intraperitoneal 1550uL/kg (1.55mL/kg)   Archives of Toxicology. Vol. 58, Pg. 106, 1985.
rat LCLo inhalation 6125ppm/12H (6125ppm)   Journal of Pathology and Bacteriology. Vol. 46, Pg. 95, 1938.
rat LDLo oral 5gm/kg (5000mg/kg)   Gekkan Yakuji. Pharmaceuticals Monthly. Vol. 22, Pg. 883, 1980.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point -2.52E+01 deg C   EXP
Boiling Point 144.5 deg C   EXP
log P (octanol-water) 3.12 (none)   EXP
Water Solubility 178 mg/L 25 EXP
Vapor Pressure 6.61 mm Hg 25 EXP
Henry's Law Constant 0.00518 atm-m3/mole 25 EXP
Atmospheric OH Rate Constant 1.37E-11 cm3/molecule-sec 25 EXP

Physical property data is provided to ChemIDplus by SRC, Inc.