2-Naphthol
Also known as: 2-Hydroxynaphthalene, 2-Naphthalenol, beta-Naphthol, beta-Hydroxynaphthalene, Isonaphthol, C.I. 37500, Developer A, Developer AMS, Developer BN, naphthalen-2-ol, β-Naphthyl alcohol, β-hydroxynaphthalene, β-naphthol, Microcidin, Naphthol B
2-Naphthol (CAS 135-19-3) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C10H8O and a molecular weight of 144.170 g/mol. Key properties include a melting point of 120-122 °C(lit.), a boiling point of 285.5±0.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 144.0±10.6 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H332 — Harmful if inhaled and H400 — Very toxic to aquatic life. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 135-19-3
- Jingsj CID
- J-39268-8
- Molecular Formula
- C10H8O
- Molecular Weight
- 144.170 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 120-122 °C(lit.) |
|---|---|
| Boiling Point | 285.5±0.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 144.0±10.6 °C |
| Exact Mass | 144.057510 |
| PSA | 20.23000 |
| LogP | 2.71 |
| Additional Property | 4.97 (vs air) |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.678 |
| Additional Property | 1 g/L (20 ºC) |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H332 — Harmful if inhaled
- H400 — Very toxic to aquatic life
Activity & Biological Data
| Target | Human Endogenous Metabolite |
|---|---|
| Additional Information | [1]. Kapuci M, et al. Determination of cytotoxic and genotoxic effects of naphthalene, 1-naphthol and 2-naphthol on human lymphocyte culture. Toxicol Ind Health. 2014 Feb;30(1):82-9. |
Customs & Trade Information
| HS Code | 2907151000 |
|---|---|
| Summary | HS:2907151000 naphthalen-2-ol VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2-Naphthol?
The CAS number of 2-Naphthol is 135-19-3.
What are the molecular formula and molecular weight of 2-Naphthol?
2-Naphthol has molecular formula C10H8O and molecular weight 144.170 g/mol.
Is 2-Naphthol hazardous?
2-Naphthol has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H332 — Harmful if inhaled; H400 — Very toxic to aquatic life.
What are the upstream and downstream products of 2-Naphthol?
For 2-Naphthol, Upstream Products: 2-Bromonaphthalene, 2-Naphthaleneboronic acid, 1-Naphthoic acid; Downstream Products: 2-Naphthyl acrylate, O-2-Naphthyl chlorothioformate, 2,2'-Diacetoxy-1,1'-binaphthyl.
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-Naphthol (CAS 135-19-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-39268-8 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.