4-Hydroxy-2-naphthoic acid
4-羟基萘-2-羧酸
Also known as: 4-hydroxynaphthalene-2-carboxylic acid, 2-Naphthalenecarboxylic acid, 4-hydroxy-, 4-hydroxy-2-naphthalenecarboxylic acid
4-Hydroxy-2-naphthoic acid (CAS 1573-91-7) 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 188.17900 g/mol. It is also known as 4-hydroxynaphthalene-2-carboxylic acid, 2-Naphthalenecarboxylic acid, 4-hydroxy- and 4-hydroxy-2-naphthalenecarboxylic acid. Key properties include a melting point of 182-183 °C, a boiling point of 411.632ºC at 760 mmHg, a density of 1.399g/cm3 and a flash point of 216.901ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1573-91-7
- Jingsj CID
- J-1967997-8
- Molecular Formula
- C11H8O3
- Chinese Name
- 4-羟基萘-2-羧酸
- Molecular Weight
- 188.17900 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 182-183 °C |
|---|---|
| Boiling Point | 411.632ºC at 760 mmHg |
| Density | 1.399g/cm3 |
| Flash Point | 216.901ºC |
Frequently Asked Questions
What is the CAS number of 4-Hydroxy-2-naphthoic acid?
The CAS number of 4-Hydroxy-2-naphthoic acid is 1573-91-7.
What are the molecular formula and molecular weight of 4-Hydroxy-2-naphthoic acid?
4-Hydroxy-2-naphthoic acid has molecular formula C11H8O3 and molecular weight 188.17900 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Hydroxy-2-naphthoic acid (CAS 1573-91-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1967997-8 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.