2-Pentene,3,4-dimethyl-, (2E)-

反-3,4-二甲基-2-戊烯

Also known as: (E)-(CH3)2C=CHCH(CH3)2, (E)-3,4-Dimethyl-2-pentene, 2-pentene,3,4-dimethyl-,(E)-, 3,4-Dimethyl-trans-2-pentene, 3,4-dimethyl-2-pentene (trans), 3,4-dimethyl-E-2-pentene, Dimethyl--2-pentene, (E)-3,4-, E-3,4-dimethyl-2-pentene, TRANS-3,4-DIMETHYL-2-PENTENE, trans-3,4-dimethyl-2-pentene, trans-3,4-dimethyl-pent-2-ene

2-Pentene,3,4-dimethyl-, (2E)- (CAS 4914-92-5) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H14 and a molecular weight of 98.18610 g/mol. It is also known as (E)-(CH3)2C=CHCH(CH3)2, (E)-3,4-Dimethyl-2-pentene and 2-pentene,3,4-dimethyl-,(E)-. Key properties include a boiling point of 87.4ºC at 760mmHg, a density of 0.712g/cm3 and a flash point of -9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 4914-92-5
Jingsj CID: J-40878-7
Molecular Formula: C₇H₁₄
Chinese Name: 反-3,4-二甲基-2-戊烯
Molecular Weight: 98.18610 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	87.4ºC at 760mmHg
Density	0.712g/cm3
Flash Point	-9 °C

Frequently Asked Questions

What is the CAS number of 2-Pentene,3,4-dimethyl-, (2E)-?

The CAS number of 2-Pentene,3,4-dimethyl-, (2E)- is 4914-92-5.

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

2-Pentene,3,4-dimethyl-, (2E)- has molecular formula C7H14 and molecular weight 98.18610 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. "2-Pentene,3,4-dimethyl-, (2E)- (CAS 4914-92-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-40878-7 (accessed 2026-10-22).

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