2,2,4,6,6-Pentamethylhept-3-ene

Also known as: (3E)-2,2,4,6,6-Pentamethyl-3-heptene, (3E)-2,2,4,6,6-Pentamethylhept-3-ene, (E)-2,2,4,6,6-pentamethylhept-3-ene, 2,2,4,5,5-PENTAMETHYL-3-IMIDAZOLINE-1-OXYL FREE RADICAL, 2,2,4,6,6-PENTAMETHYL-3-HEPTENE, 2,2,4,6,6-PENTAMETHYLHEPTENE, 2,2,4,6,6-PENTAMETHYLHEPTENE-3, 2,2,4,6,6-Pentamethyl-3-heptene,c&t2,2,4,6,6-pentamethylhept-3-ene, 2,2,4,6,6-Pentamethyl-hept-3-en, 2,2,4,6,6-Pentamethyl-hept-4-en, 2,2,4,6,6-Pentamethylheptene-3, 3-Heptene, 2,2,4,6,6-pentamethyl-, 3-Heptene, 2,2,4,6,6-pentamethyl-, (3E)-, 3-Heptene,2,2,4,6,6-pentamethyl, EINECS 204-631-4, pentamethyl-2,2,4,6,6 heptene-3

2,2,4,6,6-Pentamethylhept-3-ene (CAS 123-48-8) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H24 and a molecular weight of 168.319 g/mol. Key properties include a boiling point of 192.7±7.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 47.1±14.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 123-48-8
Jingsj CID: J-1313414-0
Molecular Formula: C₁₂H₂₄
Molecular Weight: 168.319 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	192.7±7.0 °C at 760 mmHg
Density	0.8±0.1 g/cm3
Flash Point	47.1±14.8 °C
Exact Mass	168.187805
LogP	5.90
Vapor Pressure	0.7±0.2 mmHg at 25°C
Refractive Index	1.435

Customs & Trade Information

HS Code	2901299090
Summary	2901299090 unsaturated acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2,2,4,6,6-Pentamethylhept-3-ene?

The CAS number of 2,2,4,6,6-Pentamethylhept-3-ene is 123-48-8.

What are the molecular formula and molecular weight of 2,2,4,6,6-Pentamethylhept-3-ene?

2,2,4,6,6-Pentamethylhept-3-ene has molecular formula C12H24 and molecular weight 168.319 g/mol.

What are the upstream and downstream products of 2,2,4,6,6-Pentamethylhept-3-ene?

For 2,2,4,6,6-Pentamethylhept-3-ene, Upstream Products: Isobutylene; Downstream Products: 4,4-DIMETHYL-2-PENTANONE, Pivalic acid.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2,2,4,6,6-Pentamethylhept-3-ene (CAS 123-48-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1313414-0 (accessed 2026-11-09).

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