2-Hydroxy-1-naphthoic acid
Also known as: 2-Naphthol-1-carboxylic acid, 2-Hydroxy-α-naphthoic acid, 2-Hydroxynaphthalene-1-carboxylic acid, 1-Naphthalenecarboxylic acid, 2-hydroxy-
2-Hydroxy-1-naphthoic acid (CAS 2283-08-1) 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. Key properties include a melting point of 167 °C (dec.)(lit.), a boiling point of 403.6±28.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 212.1±20.5 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2283-08-1
- Jingsj CID
- J-1503827-4
- Molecular Formula
- C11H8O3
- Molecular Weight
- 188.179 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 167 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 403.6±28.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 212.1±20.5 °C |
| Exact Mass | 188.047348 |
| PSA | 57.53000 |
| LogP | 3.29 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.716 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2918290000 |
|---|---|
| Summary | HS: 2918290000 other carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) VAT:17.0% MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2-Hydroxy-1-naphthoic acid?
The CAS number of 2-Hydroxy-1-naphthoic acid is 2283-08-1.
What are the molecular formula and molecular weight of 2-Hydroxy-1-naphthoic acid?
2-Hydroxy-1-naphthoic acid has molecular formula C11H8O3 and molecular weight 188.179 g/mol.
Is 2-Hydroxy-1-naphthoic acid hazardous?
2-Hydroxy-1-naphthoic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 2-Hydroxy-1-naphthoic acid?
For 2-Hydroxy-1-naphthoic acid, Upstream Products: Magnesium methyl carbonate, 2-Naphthol, Carbon dioxide; Downstream Products: Methyl 2-hydroxy-1-naphthoate, 2-Methoxy-1-naphthoic acid, Methyl 2-methoxy-1-naphthoate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Hydroxy-1-naphthoic acid (CAS 2283-08-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1503827-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.