1,2-epoxy-9-decene

1,2-环氧-9-癸烯

Also known as: (7-Octenyl)oxirane, 2-(7-Octen-1-yl)oxirane, 2-Oct-7-enyloxirane, Oct-7-enyloxirane, 1,9-Decadiene monoepoxide, Oxirane, 2-(7-octen-1-yl)-, Oxirane, (7-octenyl)-, MFCD00069427, EINECS 288-437-5

1,2-epoxy-9-decene (CAS 85721-25-1) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C10H18O and a molecular weight of 154.24900 g/mol. It is also known as (7-Octenyl)oxirane, 2-(7-Octen-1-yl)oxirane and 2-Oct-7-enyloxirane. Key properties include a melting point of 25 °C, a boiling point of 212 °C, a density of 0.842 g/mL at 25 °C(lit.) and a flash point of 173 °F. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 85721-25-1
Jingsj CID: J-1994131-8
Molecular Formula: C₁₀H₁₈O
Chinese Name: 1,2-环氧-9-癸烯
Molecular Weight: 154.24900 g/mol
Category: Ethers
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	25 °C
Boiling Point	212 °C
Density	0.842 g/mL at 25 °C(lit.)
Flash Point	173 °F

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger

Frequently Asked Questions

What is the CAS number of 1,2-epoxy-9-decene?

The CAS number of 1,2-epoxy-9-decene is 85721-25-1.

What are the molecular formula and molecular weight of 1,2-epoxy-9-decene?

1,2-epoxy-9-decene has molecular formula C10H18O and molecular weight 154.24900 g/mol.

Is 1,2-epoxy-9-decene hazardous?

1,2-epoxy-9-decene has GHS signal word Danger.

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

Last updated: 8/21/2026

How to cite: Jingsj. "1,2-epoxy-9-decene (CAS 85721-25-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1994131-8 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.