3-Methyl-2-hexanone

3-甲基-2-己酮

Also known as: 3-Methylhexan-2-one, Methyl 1-methylbutyl ketone, 3-Methylhexane-2-one, 1-Methylbutyl methyl ketone, Methyl sec-pentyl ketone

3-Methyl-2-hexanone (CAS 2550-21-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C7H14O and a molecular weight of 114.18500 g/mol. It is also known as 3-Methylhexan-2-one, Methyl 1-methylbutyl ketone and 3-Methylhexane-2-one. Key properties include a boiling point of 143.5ºC at 760mmHg, a density of 0.806g/cm3 and a flash point of 31ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2550-21-2
Jingsj CID
J-1993559-1
Molecular Formula
C7H14O
Chinese Name
3-甲基-2-己酮
Molecular Weight
114.18500 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point143.5ºC at 760mmHg
Density0.806g/cm3
Flash Point31ºC

Frequently Asked Questions

What is the CAS number of 3-Methyl-2-hexanone?

The CAS number of 3-Methyl-2-hexanone is 2550-21-2.

What are the molecular formula and molecular weight of 3-Methyl-2-hexanone?

3-Methyl-2-hexanone has molecular formula C7H14O and molecular weight 114.18500 g/mol.

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

Last updated:

How to cite: Jingsj. "3-Methyl-2-hexanone (CAS 2550-21-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1993559-1 (accessed 2026-10-22).

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