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p-cymene

Also known as: 1-Isopropyl-4-methylbenzene, 1-Methyl-4-(1-methylethyl)-benzene, 1-isopropyl-4-methyl-Benzene, 1-methyl-4-(propan-2-yl)benzene, 4-Isopropyltoluene, 4-cymene, 4-methyl isopropylbenzene, 4-methyl-1-(propan-2-yl)benzene, Benzene, 1-methyl-4- (1-methylethyl)-, Benzene, 1-methyl-4-(1-methylethyl)-, Cumene, p-methyl-, Cymene, Cymene, p-, EINECS 202-796-7, MFCD00008893, p-Isopropyltoluene (p-Cymene), p-Mentha-1,3,5-triene, p-isopropyltoluene, p-methyl cumene, p-methyl-Cumene

p-cymene (CAS 99-87-6) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C10H14 and a molecular weight of 134.218 g/mol. Key properties include a melting point of -68 °C, a boiling point of 173.9±10.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 47.2±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour, H304 and H411 — Toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
99-87-6
Jingsj CID
J-12443-4
Molecular Formula
C10H14
Molecular Weight
134.218 g/mol
Category
Solvents
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-68 °C
Boiling Point173.9±10.0 °C at 760 mmHg
Density0.9±0.1 g/cm3
Flash Point47.2±0.0 °C
Exact Mass134.109543
LogP4.02
Additional Property4.62 (vs air)
Vapor Pressure1.7±0.2 mmHg at 25°C
Refractive Index1.493
Additional PropertyPRACTICALLY INSOLUBLE

GHS Safety & Compliance

Flammable / Health Hazard / Environmental HazardSignal word: Danger
  • H226 — Flammable liquid and vapour
  • H304
  • H411 — Toxic to aquatic life with long lasting effects

Activity & Biological Data

TargetHuman Endogenous Metabolite
Additional Information[1]. Marchese A, et al. Update on Monoterpenes as Antimicrobial Agents: A Particular Focus on p-Cymene. Materials (Basel). 2017 Aug 15;10(8):947.

Customs & Trade Information

HS Code2902909090
Summary2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of p-cymene?

The CAS number of p-cymene is 99-87-6.

What are the molecular formula and molecular weight of p-cymene?

p-cymene has molecular formula C10H14 and molecular weight 134.218 g/mol.

Is p-cymene hazardous?

p-cymene has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H304; H411 — Toxic to aquatic life with long lasting effects.

What are the upstream and downstream products of p-cymene?

For p-cymene, Upstream Products: 2-Bromopropane, Citral, 2-p-Tolyl-1-propene; Downstream Products: 1-Ethyl-4-methylcyclohexane, 1-iso-Propyl-4-methylcyclohexane, 1,4-Dimethylcyclohexane.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "p-cymene (CAS 99-87-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-12443-4 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.