3-Methyl-2-heptene

3-甲基-2-庚烯

Also known as: (2E)-3-Methyl-2-heptene, 3-METHYL-2-HEPTENE, 3-Methyl-2-heptene (cis- and trans- mixture), 3-Methyl-2-heptene(cis-andtrans-mixture)>2-Heptene, 3-methyl-, 3-methyl-hept-2-ene

3-Methyl-2-heptene (CAS 3404-75-9) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H16 and a molecular weight of 112.21300 g/mol. It is also known as (2E)-3-Methyl-2-heptene, 3-METHYL-2-HEPTENE and 3-Methyl-2-heptene (cis- and trans- mixture). Key properties include a boiling point of 120ºC at 760mmHg, a density of 0.728g/cm3 and a flash point of 9.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3404-75-9
Jingsj CID
J-21372-5
Molecular Formula
C8H16
Chinese Name
3-甲基-2-庚烯
Molecular Weight
112.21300 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point120ºC at 760mmHg
Density0.728g/cm3
Flash Point9.2ºC

Frequently Asked Questions

What is the CAS number of 3-Methyl-2-heptene?

The CAS number of 3-Methyl-2-heptene is 3404-75-9.

What are the molecular formula and molecular weight of 3-Methyl-2-heptene?

3-Methyl-2-heptene has molecular formula C8H16 and molecular weight 112.21300 g/mol.

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

Last updated:

How to cite: Jingsj. "3-Methyl-2-heptene (CAS 3404-75-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-21372-5 (accessed 2026-10-22).

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