2-Ethyl-6-hydroxybenzoic acid

6-乙基水杨酸

Also known as: 6-Ethylsalicylic acid, 2-Ethyl-6-hydroxy-benzoic acid, 6-Ethyl-2-hydroxybenzoic acid, Benzoic acid, 2-ethyl-6-hydroxy-, 2-Aethyl-6-hydroxy-benzoesaeure, 6-Hydroxy-2-aethyl-benzoesaeure

2-Ethyl-6-hydroxybenzoic acid (CAS 59681-42-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H10O3 and a molecular weight of 166.174 g/mol. It is also known as 6-Ethylsalicylic acid, 2-Ethyl-6-hydroxy-benzoic acid and 6-Ethyl-2-hydroxybenzoic acid. Key properties include a melting point of 136.5-137.5 °C, a boiling point of 301.9±30.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 150.6±21.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
59681-42-4
Jingsj CID
J-1501608-1
Molecular Formula
C9H10O3
Chinese Name
6-乙基水杨酸
Molecular Weight
166.174 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point136.5-137.5 °C
Boiling Point301.9±30.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point150.6±21.1 °C

Frequently Asked Questions

What is the CAS number of 2-Ethyl-6-hydroxybenzoic acid?

The CAS number of 2-Ethyl-6-hydroxybenzoic acid is 59681-42-4.

What are the molecular formula and molecular weight of 2-Ethyl-6-hydroxybenzoic acid?

2-Ethyl-6-hydroxybenzoic acid has molecular formula C9H10O3 and molecular weight 166.174 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-6-hydroxybenzoic acid (CAS 59681-42-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1501608-1 (accessed 2026-10-25).

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