1,2-epoxy-9-decene

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. 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 78.3 °C. It is classified under GHS with signal word Danger and hazard statements H315 — Causes skin irritation, H318 — Causes serious eye damage and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.: 85721-25-1
Jingsj CID: J-1994131-2
Molecular Formula: C₁₀H₁₈O
Molecular Weight: 154.24900 g/mol
Category: Ethers
Last updated: 11/2/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	25 °C
Boiling Point	212 °C
Density	0.842 g/mL at 25 °C(lit.)
Flash Point	78.3 °C
Exact Mass	154.13600
PSA	12.53000
LogP	2.91180
Refractive Index	n20/D 1.442(lit.)

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger

H315 — Causes skin irritation
H318 — Causes serious eye damage
H335 — May cause respiratory irritation

Customs & Trade Information

HS Code	2910900090
Summary	2910900090. epoxides, epoxyalcohols, epoxyphenols and epoxyethers, with a three-membered ring, and their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

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 and hazard statements H315 — Causes skin irritation; H318 — Causes serious eye damage; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 1,2-epoxy-9-decene?

For 1,2-epoxy-9-decene, Upstream Products: 1,9-Decadiene, 10-Undecenoic acid; Downstream Products: 1,2-Epoxydecane, Decan-1-ol, 9-Decenal.

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

Last updated: 11/2/2026

How to cite: Jingsj. "1,2-epoxy-9-decene (CAS 85721-25-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1994131-2 (accessed 2026-11-09).

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