P-Cymene

Chemical compound / From Wikipedia, the free encyclopedia

p-Cymene is a naturally occurring aromatic organic compound. It is classified as an alkylbenzene related to a monoterpene. Its structure consists of a benzene ring para-substituted with a methyl group and an isopropyl group. p-Cymene is insoluble in water, but miscible with organic solvents.

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p-Cymene
Skeletal formula
Skeletal formula
Ball-and-stick model
Ball-and-stick model
Names
Preferred IUPAC name
1-Methyl-4-(propan-2-yl)benzene[1]
Other names
para-Cymene
4-Isopropyltoluene
4-Methylcumene
Paracymene
Identifiers
3D model (JSmol)
3DMet
1903377
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.002.542 Edit this at Wikidata
EC Number
  • 202-796-7
305912
KEGG
RTECS number
  • GZ5950000
UNII
UN number 2046
  • InChI=1S/C10H14/c1-8(2)10-6-4-9(3)5-7-10/h4-8H,1-3H3 checkY
    Key: HFPZCAJZSCWRBC-UHFFFAOYSA-N checkY
  • InChI=1/C10H14/c1-8(2)10-6-4-9(3)5-7-10/h4-8H,1-3H3
    Key: HFPZCAJZSCWRBC-UHFFFAOYAD
  • c1cc(ccc1C(C)C)C
Properties
C10H14
Molar mass 134.222 g·mol−1
Appearance Colourless liquid
Density 0.857 g/cm3
Melting point −68 °C (−90 °F; 205 K)
Boiling point 177 °C (351 °F; 450 K)
23.4 mg/L
−1.028×10−4 cm3/mol
1.4908 (at 20 °C) [2]
Hazards
GHS labelling:
GHS02: FlammableGHS08: Health hazardGHS09: Environmental hazard
Danger
H226, H304, H411
P210, P233, P240, P241, P242, P243, P273, P280, P301+P310, P303+P361+P353, P331, P370+P378, P391, P403+P235, P405, P501
Flash point 47 °C (117 °F; 320 K)
435 °C (815 °F; 708 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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