1-Hydroxy-2-naphthoic acid
Also known as: 1-Naphthol-2-carboxylic acid, 2-carboxy-1-naphthol, 1-HYDROXY-NAPHTHALENE-2-CARBONIC ACID, 1-HYDROXY-2-NAPHTHOIC ACID, 1-Hydroxy-2-phthoic acid, 1-hydroxynaphthalene-2-carboxylic acid, 2-Naphthalenecarboxylic acid, 1-hydroxy-, ALPHA-HYDROXYNAPHTHOIC ACID, EINECS 201-674-0, MFCD00003960, Salmeterol Hydroxynaphthoic Acid Impurity (USP)
1-Hydroxy-2-naphthoic acid (CAS 86-48-6) 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. Key properties include a melting point of 195-200 °C (dec.)(lit.), a boiling point of 367.7±25.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 190.4±19.7 °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.
- 86-48-6
- Jingsj CID
- J-30530-6
- 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 | 195-200 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 367.7±25.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 190.4±19.7 °C |
| Exact Mass | 188.047348 |
| PSA | 57.53000 |
| LogP | 3.29 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.716 |
| Additional Property | SOLUBLE IN HOT WATER |
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 1-Hydroxy-2-naphthoic acid?
The CAS number of 1-Hydroxy-2-naphthoic acid is 86-48-6.
What are the molecular formula and molecular weight of 1-Hydroxy-2-naphthoic acid?
1-Hydroxy-2-naphthoic acid has molecular formula C11H8O3 and molecular weight 188.179 g/mol.
Is 1-Hydroxy-2-naphthoic acid hazardous?
1-Hydroxy-2-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 1-Hydroxy-2-naphthoic acid?
For 1-Hydroxy-2-naphthoic acid, Upstream Products: 1-Naphthol, Magnesium methyl carbonate, Carbon dioxide; Downstream Products: 1,4-Dihydroxy-2-naphthoic acid, Martius Yellow, Methyl 1-hydroxy-2-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. "1-Hydroxy-2-naphthoic acid (CAS 86-48-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30530-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.