5-Methyl-2-heptanone

5-甲基-2-庚酮

Also known as: 2-Heptanone, 5-methyl-, 5-Methylheptan-2-one, 5-methyl-heptan-2-one

5-Methyl-2-heptanone (CAS 18217-12-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H16O and a molecular weight of 128.21200 g/mol. It is also known as 2-Heptanone, 5-methyl-, 5-Methylheptan-2-one and 5-methyl-heptan-2-one. Key properties include a boiling point of 167.5ºC at 760mmHg, a density of 0.811g/cm3 and a flash point of 44.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
18217-12-4
Jingsj CID
J-1360276-5
Molecular Formula
C8H16O
Chinese Name
5-甲基-2-庚酮
Molecular Weight
128.21200 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point167.5ºC at 760mmHg
Density0.811g/cm3
Flash Point44.6ºC

Frequently Asked Questions

What is the CAS number of 5-Methyl-2-heptanone?

The CAS number of 5-Methyl-2-heptanone is 18217-12-4.

What are the molecular formula and molecular weight of 5-Methyl-2-heptanone?

5-Methyl-2-heptanone has molecular formula C8H16O and molecular weight 128.21200 g/mol.

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

Last updated:

How to cite: Jingsj. "5-Methyl-2-heptanone (CAS 18217-12-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1360276-5 (accessed 2026-10-22).

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