1-Amino-2-naphthoic acid
1-氨基-2-萘甲酸
Also known as: 1-Amino-2-naphthalenecarboxylic acid, 1-aminonaphthalene-2-carboxylic acid, 1-amino-2-naphthoic acid, 2-Naphthalenecarboxylic acid, 1-amino-, 1-aminophthalene-2-carboxylic acid, amino-2-naphthyl-carboxylic acid
1-Amino-2-naphthoic acid (CAS 4919-43-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H9NO2 and a molecular weight of 187.195 g/mol. It is also known as 1-Amino-2-naphthalenecarboxylic acid, 1-aminonaphthalene-2-carboxylic acid and 1-amino-2-naphthoic acid. Key properties include a melting point of 205-206ºC, a boiling point of 378.5±30.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 182.7±24.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4919-43-1
- Jingsj CID
- J-1520920-9
- Molecular Formula
- C11H9NO2
- Chinese Name
- 1-氨基-2-萘甲酸
- Molecular Weight
- 187.195 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 205-206ºC |
|---|---|
| Boiling Point | 378.5±30.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 182.7±24.6 °C |
Frequently Asked Questions
What is the CAS number of 1-Amino-2-naphthoic acid?
The CAS number of 1-Amino-2-naphthoic acid is 4919-43-1.
What are the molecular formula and molecular weight of 1-Amino-2-naphthoic acid?
1-Amino-2-naphthoic acid has molecular formula C11H9NO2 and molecular weight 187.195 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-Amino-2-naphthoic acid (CAS 4919-43-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1520920-9 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.