P-Cymene

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).
checkY verify (what is checkY☒N ?)

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.

  1. ^ Nomenclature of Organic Chemistry: IUPAC Recommendations and Preferred Names 2013 (Blue Book). Cambridge: The Royal Society of Chemistry. 2014. pp. 139, 597. doi:10.1039/9781849733069-FP001. ISBN 978-0-85404-182-4.
  2. ^ Pabst, Florian; Blochowicz, Thomas (December 2022). "On the intensity of light scattered by molecular liquids - Comparison of experiment and quantum chemical calculations". The Journal of Chemical Physics. 157 (24): 244501. Bibcode:2022JChPh.157x4501P. doi:10.1063/5.0133511. PMID 36586992.
  3. ^ Balahbib, Abdelaali; El Omari, Nasreddine; Hachlafi, Naoufal EL.; Lakhdar, Fatima; El Menyiy, Naoual; Salhi, Najoua; Mrabti, Hanae Naceiri; Bakrim, Saad; Zengin, Gokhan; Bouyahya, Abdelhakim (2021-07-01). "Health beneficial and pharmacological properties of p-cymene". Food and Chemical Toxicology. 153: 112259. doi:10.1016/j.fct.2021.112259. ISSN 0278-6915.