2,2-dimethyl-4-oxopentanoic acid

2,2-二甲基-4-氧代戊酸

Also known as: mesitonic acid, 2,2-dimethyl-4-oxo-pentanoic acid, 2,2-dimethyl-4-oxo-valeric acid, 2,2-dimethyllevulinic acid, α,α-dimethyllevulinic acid, Pentanoic acid, 2,2-dimethyl-4-oxo-, 2,2-Dimethyllaevulinsaeure

2,2-dimethyl-4-oxopentanoic acid (CAS 470-49-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H12O3 and a molecular weight of 144.16800 g/mol. It is also known as mesitonic acid, 2,2-dimethyl-4-oxo-pentanoic acid and 2,2-dimethyl-4-oxo-valeric acid. Key properties include a boiling point of 251.9ºC at 760 mmHg, a density of 1.061 g/cm3 and a flash point of 120.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
470-49-5
Jingsj CID
J-1328343-4
Molecular Formula
C7H12O3
Chinese Name
2,2-二甲基-4-氧代戊酸
Molecular Weight
144.16800 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point251.9ºC at 760 mmHg
Density1.061 g/cm3
Flash Point120.4ºC

Frequently Asked Questions

What is the CAS number of 2,2-dimethyl-4-oxopentanoic acid?

The CAS number of 2,2-dimethyl-4-oxopentanoic acid is 470-49-5.

What are the molecular formula and molecular weight of 2,2-dimethyl-4-oxopentanoic acid?

2,2-dimethyl-4-oxopentanoic acid has molecular formula C7H12O3 and molecular weight 144.16800 g/mol.

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

Last updated:

How to cite: Jingsj. "2,2-dimethyl-4-oxopentanoic acid (CAS 470-49-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1328343-4 (accessed 2026-10-23).

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