3-Methyloctane

3-甲基辛烷

Also known as: 3-methyloctane, 5Y2&1, EINECS 218-686-7, MFCD00042906, Octane, 3-methyl-, Octane,3-methyl, inaktives 3-Methyl-octan

3-Methyloctane (CAS 2216-33-3) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H20 and a molecular weight of 128.255 g/mol. It is also known as 3-methyloctane, 5Y2&1 and EINECS 218-686-7. Key properties include a boiling point of 143.5±7.0 °C at 760 mmHg, a density of 0.7±0.1 g/cm3 and a flash point of 25.3±11.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2216-33-3
Jingsj CID
J-38952-7
Molecular Formula
C9H20
Chinese Name
3-甲基辛烷
Molecular Weight
128.255 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point143.5±7.0 °C at 760 mmHg
Density0.7±0.1 g/cm3
Flash Point25.3±11.4 °C

Frequently Asked Questions

What is the CAS number of 3-Methyloctane?

The CAS number of 3-Methyloctane is 2216-33-3.

What are the molecular formula and molecular weight of 3-Methyloctane?

3-Methyloctane has molecular formula C9H20 and molecular weight 128.255 g/mol.

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

Last updated:

How to cite: Jingsj. "3-Methyloctane (CAS 2216-33-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38952-7 (accessed 2026-10-22).

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