2-Ethyl-2-methylpentanoic acid

2-乙基-2-甲基戊酸

Also known as: 2-Methyl-2-ethylpentanoic acid, Valproic acid impurity K, Valproic acid EP impurity K, Valproic acid imp K, NSC 466, EINECS 226-284-8, Valeric acid, 2-ethyl-2-methyl-

2-Ethyl-2-methylpentanoic acid (CAS 5343-52-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H16O2 and a molecular weight of 144.21100 g/mol. It is also known as 2-Methyl-2-ethylpentanoic acid, Valproic acid impurity K and Valproic acid EP impurity K. Key properties include a boiling point of 227.7ºC at 760mmHg, a density of 0.928g/cm3 and a flash point of 102.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5343-52-2
Jingsj CID
J-850811-3
Molecular Formula
C8H16O2
Chinese Name
2-乙基-2-甲基戊酸
Molecular Weight
144.21100 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point227.7ºC at 760mmHg
Density0.928g/cm3
Flash Point102.5ºC

Frequently Asked Questions

What is the CAS number of 2-Ethyl-2-methylpentanoic acid?

The CAS number of 2-Ethyl-2-methylpentanoic acid is 5343-52-2.

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

2-Ethyl-2-methylpentanoic acid has molecular formula C8H16O2 and molecular weight 144.21100 g/mol.

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

Last updated:

How to cite: Jingsj. "2-Ethyl-2-methylpentanoic acid (CAS 5343-52-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-850811-3 (accessed 2026-10-25).

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