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Names | |||
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Preferred IUPAC name
1-Methyl-4-(propan-2-yl)benzene[1] | |||
Other names
para-Cymene
4-Isopropyltoluene 4-Methylcumene Paracymene | |||
Identifiers | |||
3D model (JSmol)
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3DMet | |||
1903377 | |||
ChEBI | |||
ChEMBL | |||
ChemSpider | |||
ECHA InfoCard | 100.002.542 | ||
EC Number |
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305912 | |||
KEGG | |||
PubChem CID
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RTECS number |
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UNII | |||
UN number | 2046 | ||
CompTox Dashboard (EPA)
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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 | |||
Refractive index (nD)
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1.4908 (at 20 °C) [2] | ||
Hazards | |||
GHS labelling: | |||
![]() ![]() ![]() | |||
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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p-Cymene is a naturally occurring aromatic organic compound. It is classified as an alkylbenzene related to monocyclic monoterpenes.[3] 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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