5-Methyl-2,4-hexanedione

5-甲基-2,4-己二酮

Also known as: Isobutyrylacetone, 5-Methylhexane-2,4-dione, 5-Methyl-2,4-hexanedione (enol), 5-Methyl-hexane-2,4-dione, NSC 78668

5-Methyl-2,4-hexanedione (CAS 7307-03-1) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C6H10O2 and a molecular weight of 114.14200 g/mol. It is also known as Isobutyrylacetone, 5-Methylhexane-2,4-dione and 5-Methyl-2,4-hexanedione (enol). Key properties include a boiling point of 175.9ºC at 760 mmHg, a density of 0.924g/cm3 and a flash point of 60.2ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
7307-03-1
Jingsj CID
J-1036119-1
Molecular Formula
C6H10O2
Chinese Name
5-甲基-2,4-己二酮
Molecular Weight
114.14200 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point175.9ºC at 760 mmHg
Density0.924g/cm3
Flash Point60.2ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 5-Methyl-2,4-hexanedione?

The CAS number of 5-Methyl-2,4-hexanedione is 7307-03-1.

What are the molecular formula and molecular weight of 5-Methyl-2,4-hexanedione?

5-Methyl-2,4-hexanedione has molecular formula C6H10O2 and molecular weight 114.14200 g/mol.

Is 5-Methyl-2,4-hexanedione hazardous?

5-Methyl-2,4-hexanedione has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "5-Methyl-2,4-hexanedione (CAS 7307-03-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1036119-1 (accessed 2026-10-25).

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