Cyclohexene

Also known as: 1,2,3,4-TETRAHYDROBENZENE, 1,2,3,4-Tetrahydrobenzene, 1-cyclohexene, BENZENETETRAHYDRIDE, CYCLOHEXENE, Cyclohexen, Cykloheksen, EINECS 203-807-8, HX, Hexanaphthylene, MFCD00001539, TETRAHYDROBENZENE, cyclo-hexene, cyclohex-1-ene, cyclohexene, cykloheksen(polish), tetrahydro-benzen

Cyclohexene (CAS 110-83-8) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H10 and a molecular weight of 82.144 g/mol. Key properties include a melting point of -104 °C, a boiling point of 85.6±7.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of -12.2±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H302 — Harmful if swallowed and H304. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 110-83-8
Jingsj CID: J-1331594-6
Molecular Formula: C₆H₁₀
Molecular Weight: 82.144 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	-104 °C
Boiling Point	85.6±7.0 °C at 760 mmHg
Density	0.8±0.1 g/cm3
Flash Point	-12.2±0.0 °C
Exact Mass	82.078247
LogP	2.89
Additional Property	2.8 (vs air)
Vapor Pressure	77.0±0.1 mmHg at 25°C
Refractive Index	1.459
Additional Property	insoluble

GHS Safety & Compliance

Flammable / Acute Toxicity / Health HazardSignal word: Danger

H225 — Highly flammable liquid and vapour
H302 — Harmful if swallowed
H304
H311 — Toxic in contact with skin

Customs & Trade Information

HS Code	2902199090
Summary	2902199090 other cyclanes, cyclenes and cyclotherpenes。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 Cyclohexene?

The CAS number of Cyclohexene is 110-83-8.

What are the molecular formula and molecular weight of Cyclohexene?

Cyclohexene has molecular formula C6H10 and molecular weight 82.144 g/mol.

Is Cyclohexene hazardous?

Cyclohexene has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H302 — Harmful if swallowed; H304.

What are the upstream and downstream products of Cyclohexene?

For Cyclohexene, Upstream Products: benzene, 3-Bromocyclohexene, Iodocyclohexane; Downstream Products: cis-1,2-dichlorocyclohexane, trans-1,2-dichlorocyclohexane, Biphenyl.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Cyclohexene (CAS 110-83-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1331594-6 (accessed 2026-11-06).

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