2-Methyl-1-octene

Also known as: 1-Octene, 2-methyl-, 1-Octene,2-methyl, 2-METHYL-1-OCTENE, 2-METHYL-1-OCTENE 98+%, 2-METHYLOCT-1-ENE, 2-Methyl-1-octene in methanol, 2-Methyl-oct-1-en, 2-Methyloct-1-ene, 2-methyl-oct-1-ene, 2-methyloct-1-ene, 2-methyloctene, Methyloctene, 98%, methyloctene,98%

2-Methyl-1-octene (CAS 4588-18-5) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H18 and a molecular weight of 126.239 g/mol. Key properties include a boiling point of 142.6±7.0 °C at 760 mmHg, a density of 0.7±0.1 g/cm3 and a flash point of 26.9±2.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 4588-18-5
Jingsj CID: J-37640-9
Molecular Formula: C₉H₁₈
Molecular Weight: 126.239 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	142.6±7.0 °C at 760 mmHg
Density	0.7±0.1 g/cm3
Flash Point	26.9±2.4 °C
Exact Mass	126.140854
LogP	5.05
Vapor Pressure	6.9±0.1 mmHg at 25°C
Refractive Index	1.418

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-Methyl-1-octene?

The CAS number of 2-Methyl-1-octene is 4588-18-5.

What are the molecular formula and molecular weight of 2-Methyl-1-octene?

2-Methyl-1-octene has molecular formula C9H18 and molecular weight 126.239 g/mol.

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-Methyl-1-octene (CAS 4588-18-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-37640-9 (accessed 2026-11-09).

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