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Cyclohexene oxide

Also known as: 1,2-Cyclohexene oxide, 1,2-Epoxycyclohexane, 7-Oxabicyclo[4.1.0]heptane, Cyclohexene epoxide, Cyclohexylene oxide, Tetramethyleneoxirane, cis-1,2-epoxycyclohexane, Cyclohexene 1-oxide, Bicyclo[4.1.0]heptane, 7-oxa-, cyclohexane-1,2-epoxide, EINECS 206-007-7, MFCD00005162

Cyclohexene oxide (CAS 286-20-4) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C6H10O and a molecular weight of 98.143 g/mol. Key properties include a melting point of -40 °C, a boiling point of 130.3±8.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 27.2±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour, H302 — Harmful if swallowed and H311 — Toxic in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
286-20-4
Jingsj CID
J-1498255-9
Molecular Formula
C6H10O
Molecular Weight
98.143 g/mol
Category
Solvents
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-40 °C
Boiling Point130.3±8.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point27.2±0.0 °C
Exact Mass98.073166
PSA12.53000
LogP1.24
Vapor Pressure12.0±0.2 mmHg at 25°C
Refractive Index1.480
Additional PropertyINSOLUBLE

GHS Safety & Compliance

Flammable / Corrosion / Acute ToxicitySignal word: Danger
  • H226 — Flammable liquid and vapour
  • H302 — Harmful if swallowed
  • H311 — Toxic in contact with skin
  • H331 — Toxic if inhaled
  • H314 — Causes severe skin burns and eye damage

Customs & Trade Information

HS Code2932999099
Summary2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Cyclohexene oxide?

The CAS number of Cyclohexene oxide is 286-20-4.

What are the molecular formula and molecular weight of Cyclohexene oxide?

Cyclohexene oxide has molecular formula C6H10O and molecular weight 98.143 g/mol.

Is Cyclohexene oxide hazardous?

Cyclohexene oxide has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H302 — Harmful if swallowed; H311 — Toxic in contact with skin.

What are the upstream and downstream products of Cyclohexene oxide?

For Cyclohexene oxide, Upstream Products: Cyclohexene, NORBORNENE, trans-1,2-Cyclohexanediol; Downstream Products: cis-1,2-dichlorocyclohexane, (1S,2R)-(+)-trans-2-(1-methyl-1-phenylethyl)cyclohexanol.

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

Last updated:

How to cite: Jingsj. "Cyclohexene oxide (CAS 286-20-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1498255-9 (accessed 2026-11-09).

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