(2E)-3,4,4-Trimethylpent-2-ene

反-3,4,4-三甲基-2-戊烯

Also known as: (2E)-3,4,4-Trimethyl-2-pentene, (E)-3,4,4-trimethyl-2-pentene, 2-Pentene, 3,4,4-trimethyl-, 2-Pentene, 3,4,4-trimethyl-, (2E)-, 3,4,4-TRIMETHYL-2-PENTENE, 3,4,4-TRIMETHYL-TRANS-2-PENTENE, 3,4,4-Trimethyl-trans-2-penten, 3,4,4-Trimethyl-trans-pent-2-en, 3,4,4-Trimethylpent-2-ene, 3,4,4-Trimethylpent-trans-2-en, 3,4,4-trimethylpent-2-ene, TRANS-3,4,4-TRIMETHYL-2-PENTENE, trans-3,4,4-Trimethyl-2-pentene, trans-3,4,4-trimethyl-2-pentene, trimethyl-2-pentene, trimethylpentene

(2E)-3,4,4-Trimethylpent-2-ene (CAS 39761-57-4) 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 112.213 g/mol. It is also known as (2E)-3,4,4-Trimethyl-2-pentene, (E)-3,4,4-trimethyl-2-pentene and 2-Pentene, 3,4,4-trimethyl-. Key properties include a boiling point of 108.8±7.0 °C at 760 mmHg, a density of 0.7±0.1 g/cm3 and a flash point of 3.1±14.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
39761-57-4
Jingsj CID
J-11844-8
Molecular Formula
C8H16
Chinese Name
反-3,4,4-三甲基-2-戊烯
Molecular Weight
112.213 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point108.8±7.0 °C at 760 mmHg
Density0.7±0.1 g/cm3
Flash Point3.1±14.8 °C

Frequently Asked Questions

What is the CAS number of (2E)-3,4,4-Trimethylpent-2-ene?

The CAS number of (2E)-3,4,4-Trimethylpent-2-ene is 39761-57-4.

What are the molecular formula and molecular weight of (2E)-3,4,4-Trimethylpent-2-ene?

(2E)-3,4,4-Trimethylpent-2-ene has molecular formula C8H16 and molecular weight 112.213 g/mol.

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

Last updated:

How to cite: Jingsj. "(2E)-3,4,4-Trimethylpent-2-ene (CAS 39761-57-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11844-8 (accessed 2026-10-23).

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