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2,3,4-Trimethyl-2-pentene

Also known as: (CH3)2CHC(CH3)=C(CH3)2, 2,3,4-TRIMETHYL-2-PENTENE, 2,3,4-TRIMETHYL-2-PENTENE 98.5+%, 2,3,4-Trimethyl-2-pentene in methanol, 2,3,4-Trimethylpent-2-ene, 2,3,4-trimethyl-2-pentene, 2,3,4-trimethyl-pent-2-ene, 2-Pentene, 2,3,4-trimethyl-, MFCD00059214

2,3,4-Trimethyl-2-pentene (CAS 565-77-5) 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. Key properties include a melting point of -113ºC(lit.), a boiling point of 116.4±7.0 °C at 760 mmHg, a density of 0.7±0.1 g/cm3 and a flash point of 12.8±13.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
565-77-5
Jingsj CID
J-27250-4
Molecular Formula
C8H16
Molecular Weight
112.213 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-113ºC(lit.)
Boiling Point116.4±7.0 °C at 760 mmHg
Density0.7±0.1 g/cm3
Flash Point12.8±13.0 °C
Exact Mass112.125198
LogP4.35
Vapor Pressure21.7±0.1 mmHg at 25°C
Refractive Index1.417

Frequently Asked Questions

What is the CAS number of 2,3,4-Trimethyl-2-pentene?

The CAS number of 2,3,4-Trimethyl-2-pentene is 565-77-5.

What are the molecular formula and molecular weight of 2,3,4-Trimethyl-2-pentene?

2,3,4-Trimethyl-2-pentene has molecular formula C8H16 and molecular weight 112.213 g/mol.

What are the upstream and downstream products of 2,3,4-Trimethyl-2-pentene?

For 2,3,4-Trimethyl-2-pentene, Upstream Products: 2-Butanol, tert-Butanol, 2,2,4-Trimethyl-3-pentanol; Downstream Products: 2,3,4-trimethylpentane, 2,4,4-Trimethylpent-1-ene, Isobutane Residual Solvent Standard.

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

Last updated:

How to cite: Jingsj. "2,3,4-Trimethyl-2-pentene (CAS 565-77-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27250-4 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.