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Substance Name: p-Cymene
RN: 99-87-6
UNII: 1G1C8T1N7Q
InChIKey: HFPZCAJZSCWRBC-UHFFFAOYSA-N

Classification Codes

  • Natural Product
  • Skin / Eye Irritant

Molecular Formula

  • C10-H14

Molecular Weight

  • 134.221
 
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Names and Synonyms

Name of Substance

  • 1-Methyl-4-(1-methylethyl)benzene
  • 1-Methyl-4-isopropylbenzene
  • 4-Cymene
  • Benzene, 1-methyl-4-(1-methylethyl)-
  • p-Cymene
  • Para-cymene

Synonyms

  • 1-Isopropyl-4-methylbenzene
  • 1-Methyl-4-(1-methylethyl)benzene
  • 1-Methyl-4-isopropylbenzene
  • 2-p-Tolylpropane
  • 4-Cymene
  • 4-Cymol
  • 4-Isopropyl-1-methylbenzene
  • 4-Isopropyltoluene
  • 4-Isopropyltoluol
  • 4-Methyl-1-isopropylbenzene
  • 4-Methylisopropylbenzene
  • AI3-02272
  • Benzene, 1-isopropyl-4-methyl-
  • Benzene, 1-methyl-4-(1-methylethyl)-
  • Camphogen
  • Cumene, p-methyl-
  • Dolcymene
  • EC 202-796-7
  • EINECS 202-796-7
  • FEMA No. 2356
  • HSDB 5128
  • NSC 4162
  • p-Cymene
  • p-Cymol
  • p-Isopropylmethylbenzene
  • p-Isopropyltoluene
  • p-Methylcumene
  • p-Methylisopropylbenzene
  • Paracymene
  • Paracymol
  • UNII-1G1C8T1N7Q

Systematic Names

  • Benzene, 1-methyl-4-(1-methylethyl)-
  • p-Cymene
  • p-Isopropyltoluene

Superlist Names

  • Benzene, 1-methyl-4-(1-methylethyl)-
  • Cymene, p-
  • p-Cymene
  • p-Cymene [UN2046] [Flammable liquid]
  • UN2046

Registry Numbers

CAS Registry Number

  • 99-87-6

FDA UNII

  • 1G1C8T1N7Q

System Generated Number

  • 0000099876

Structure Descriptors

InChI

1S/C10H14/c1-8(2)10-6-4-9(3)5-7-10/h4-8H,1-3H3

InChIKey

HFPZCAJZSCWRBC-UHFFFAOYSA-N

Smiles

c1(C(C)C)ccc(C)cc1

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LD50 oral 4750mg/kg (4750mg/kg) SENSE ORGANS AND SPECIAL SENSES: CHROMODACYRORREA: EYE

GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA"

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)
Food and Cosmetics Toxicology. Vol. 2, Pg. 327, 1964.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point -6.89E+01 deg C   EXP
Boiling Point 177.1 deg C   EXP
log P (octanol-water) 4.1 (none)   EXP
Water Solubility 23.4 mg/L 25 EXP
Vapor Pressure 1.46 mm Hg 25 EXP
Henry's Law Constant 0.011 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 1.51E-11 cm3/molecule-sec 22 EXP

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