Skip to main content

2-methylacetoacetic acid

Also known as: 2-methyl-3-oxobutanoic acid, 2-acetylpropanoic acid, 2-methyl-3-ketobutyric acid, 2-acetylpropionic acid, α-methylacetoacetic acid, 2-methyl-3-oxobutyric acid, butanoic acid, 2-methyl-3-oxo-

2-methylacetoacetic acid (CAS 2382-59-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H8O3 and a molecular weight of 116.11500 g/mol. Key properties include a boiling point of 227.9ºC at 760mmHg, a density of 1.125g/cm3 and a flash point of 105.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2382-59-4
Jingsj CID
J-1341752-2
Molecular Formula
C5H8O3
Molecular Weight
116.11500 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point227.9ºC at 760mmHg
Density1.125g/cm3
Flash Point105.9ºC
Exact Mass116.04700
PSA54.37000
LogP0.29610

Frequently Asked Questions

What is the CAS number of 2-methylacetoacetic acid?

The CAS number of 2-methylacetoacetic acid is 2382-59-4.

What are the molecular formula and molecular weight of 2-methylacetoacetic acid?

2-methylacetoacetic acid has molecular formula C5H8O3 and molecular weight 116.11500 g/mol.

What are the upstream and downstream products of 2-methylacetoacetic acid?

For 2-methylacetoacetic acid, Upstream Products: Ethyl 2-methylacetoacetate, tert-butyl 2-methyl-3-oxobutanoate, Carbon dioxide; Downstream Products: 2,2,5,6-Tetramethyl-4H-1,3-dioxin-4-one, Carbon dioxide, 3,4-Dimethylpyridazine.

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

Last updated:

How to cite: Jingsj. "2-methylacetoacetic acid (CAS 2382-59-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1341752-2 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.