3-Hydroxynaphthalene-1-carboxylic acid

3-羟基-1-萘甲酸

Also known as: 3-Hydroxy-1-naphthoic acid, 1-Naphthalenecarboxylic acid, 3-hydroxy-, 3-Hydroxynaphthalene-1-carboxylic acid, 3-hydroxy-1-naphthalenecarboxylic acid, 3-Hydroxy-[1]naphthoesaeure, 3-Oxy-naphthalin-carbonsaeure-(1)

3-Hydroxynaphthalene-1-carboxylic acid (CAS 19700-42-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H8O3 and a molecular weight of 188.179 g/mol. It is also known as 3-Hydroxy-1-naphthoic acid, 1-Naphthalenecarboxylic acid, 3-hydroxy- and 3-hydroxy-1-naphthalenecarboxylic acid. Key properties include a boiling point of 450.6±28.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 240.5±20.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
19700-42-6
Jingsj CID
J-1403139-1
Molecular Formula
C11H8O3
Chinese Name
3-羟基-1-萘甲酸
Molecular Weight
188.179 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point450.6±28.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point240.5±20.5 °C

Frequently Asked Questions

What is the CAS number of 3-Hydroxynaphthalene-1-carboxylic acid?

The CAS number of 3-Hydroxynaphthalene-1-carboxylic acid is 19700-42-6.

What are the molecular formula and molecular weight of 3-Hydroxynaphthalene-1-carboxylic acid?

3-Hydroxynaphthalene-1-carboxylic acid has molecular formula C11H8O3 and molecular weight 188.179 g/mol.

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

Last updated:

How to cite: Jingsj. "3-Hydroxynaphthalene-1-carboxylic acid (CAS 19700-42-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1403139-1 (accessed 2026-10-22).

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