2-Hydroxy-2,4-dimethylpentanoic acid

2-羟基-2,4-二甲基戊酸

Also known as: 2-Hydroxy-2,4-dimethylvaleric acid, 2-Hydroxy-2,4-dimethyl-pentansaeure, 2-Hydroxy-2,4-dimethyl-valeriansaeure, 2-hydroxy-2,4-dimethyl-valeric acid, Pentanoic acid, 2-hydroxy-2,4-dimethyl-

2-Hydroxy-2,4-dimethylpentanoic acid (CAS 3639-23-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H14O3 and a molecular weight of 146.184 g/mol. It is also known as 2-Hydroxy-2,4-dimethylvaleric acid, 2-Hydroxy-2,4-dimethyl-pentansaeure and 2-Hydroxy-2,4-dimethyl-valeriansaeure. Key properties include a melting point of 151-152 ºC (decomp), a boiling point of 96-102 ºC (9 Torr), a density of 1.069±0.06 g/cm3 and a flash point of 124.1±16.3 ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3639-23-4
Jingsj CID: J-1385002-9
Molecular Formula: C₇H₁₄O₃
Chinese Name: 2-羟基-2,4-二甲基戊酸
Molecular Weight: 146.184 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	151-152 ºC (decomp)
Boiling Point	96-102 ºC (9 Torr)
Density	1.069±0.06 g/cm3
Flash Point	124.1±16.3 ºC

Frequently Asked Questions

What is the CAS number of 2-Hydroxy-2,4-dimethylpentanoic acid?

The CAS number of 2-Hydroxy-2,4-dimethylpentanoic acid is 3639-23-4.

What are the molecular formula and molecular weight of 2-Hydroxy-2,4-dimethylpentanoic acid?

2-Hydroxy-2,4-dimethylpentanoic acid has molecular formula C7H14O3 and molecular weight 146.184 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2-Hydroxy-2,4-dimethylpentanoic acid (CAS 3639-23-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1385002-9 (accessed 2026-10-24).

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