4-ethyl-3-octen

4-乙基-3-辛烯

Also known as: 3-Octene, 4-ethyl-, 4-Aethyl-oct-3-en, 4-Ethyl-3-octene, 4-ethyl-oct-3-ene, 4-ethyloct-3-ene, Brassicasterol Impurity 8

4-ethyl-3-octen (CAS 53966-51-1) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C10H20 and a molecular weight of 140.26600 g/mol. It is also known as 3-Octene, 4-ethyl-, 4-Aethyl-oct-3-en and 4-Ethyl-3-octene. Key properties include a boiling point of 168.2ºC at 760 mmHg, a density of 0.75g/cm3 and a flash point of 34.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
53966-51-1
Jingsj CID
J-1497578-1
Molecular Formula
C10H20
Chinese Name
4-乙基-3-辛烯
Molecular Weight
140.26600 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point168.2ºC at 760 mmHg
Density0.75g/cm3
Flash Point34.7ºC

Frequently Asked Questions

What is the CAS number of 4-ethyl-3-octen?

The CAS number of 4-ethyl-3-octen is 53966-51-1.

What are the molecular formula and molecular weight of 4-ethyl-3-octen?

4-ethyl-3-octen has molecular formula C10H20 and molecular weight 140.26600 g/mol.

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

Last updated:

How to cite: Jingsj. "4-ethyl-3-octen (CAS 53966-51-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1497578-1 (accessed 2026-10-25).

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