1,2-Epoxyeicosane

1,2-环氧二十烷

Also known as: 1,2-Eicosylene Oxide, 1,2-Epoxyicosane, 1,2-epoxy-eicosane, 1,2-epoxyicosane, 1-eicosene oxide, 1-epoxyeicosane, 2-octadecyl-oxirane, 2-octadecyloxirane, Epoxyeicosane, Octadecyloxirane, Oxirane,2-octadecyl, octadecyloxirane, EINECS 243-297-4, Einecs 243-297-4

1,2-Epoxyeicosane (CAS 19780-16-6) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C20H40O and a molecular weight of 296.53100 g/mol. It is also known as 1,2-Eicosylene Oxide, 1,2-Epoxyicosane and 1,2-epoxy-eicosane. Key properties include a boiling point of 363.4ºC at 760mmHg, a density of 0.857g/cm3 and a flash point of 139.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 19780-16-6
Jingsj CID: J-13973-3
Molecular Formula: C₂₀H₄₀O
Chinese Name: 1,2-环氧二十烷
Molecular Weight: 296.53100 g/mol
Category: Ethers
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	363.4ºC at 760mmHg
Density	0.857g/cm3
Flash Point	139.6ºC

Frequently Asked Questions

What is the CAS number of 1,2-Epoxyeicosane?

The CAS number of 1,2-Epoxyeicosane is 19780-16-6.

What are the molecular formula and molecular weight of 1,2-Epoxyeicosane?

1,2-Epoxyeicosane has molecular formula C20H40O and molecular weight 296.53100 g/mol.

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-Epoxyeicosane (CAS 19780-16-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-13973-3 (accessed 2026-10-24).

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