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5-Chloro-4-hydroxy-2-naphthoic acid

5-氯-4-羟基-2-萘羧酸

Also known as: 2-Naphthalenecarboxylic acid, 5-chloro-4-hydroxy-, 5-CHLORO-4-HYDROXY-2-NAPHTHALENECARBOXYLIC ACID

5-Chloro-4-hydroxy-2-naphthoic acid (CAS 175161-42-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H7ClO3 and a molecular weight of 222.62400 g/mol. It is also known as 2-Naphthalenecarboxylic acid, 5-chloro-4-hydroxy- and 5-CHLORO-4-HYDROXY-2-NAPHTHALENECARBOXYLIC ACID. Key properties include a boiling point of 442.3ºC at 760 mmHg, a density of 1.52g/cm3 and a flash point of 221.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
175161-42-9
Jingsj CID
J-1440014-4
Molecular Formula
C11H7ClO3
Chinese Name
5-氯-4-羟基-2-萘羧酸
Molecular Weight
222.62400 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point442.3ºC at 760 mmHg
Density1.52g/cm3
Flash Point221.3ºC

Frequently Asked Questions

What is the CAS number of 5-Chloro-4-hydroxy-2-naphthoic acid?

The CAS number of 5-Chloro-4-hydroxy-2-naphthoic acid is 175161-42-9.

What are the molecular formula and molecular weight of 5-Chloro-4-hydroxy-2-naphthoic acid?

5-Chloro-4-hydroxy-2-naphthoic acid has molecular formula C11H7ClO3 and molecular weight 222.62400 g/mol.

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

Last updated:

How to cite: Jingsj. "5-Chloro-4-hydroxy-2-naphthoic acid (CAS 175161-42-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1440014-4 (accessed 2026-10-25).

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