5-Amino-1-naphthol
Also known as: 1-Amino-5-naphthol, 5-Amino-1-naphthol, 5-Amino-alpha-naphthol, 5-Amino-α-naphthol, 1-Amino-5-hydroxynaphthalene, 1-Naphthalenol, 5-amino-, 1-Naphthol, 5-amino-, 5-Hydroxy-1-naphthylamine, 5-amino-naphthalen-1-ol, C.I. 76650, 1-aminonaphth-5-ol
5-Amino-1-naphthol (CAS 83-55-6) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C10H9NO and a molecular weight of 159.185 g/mol. Key properties include a melting point of 190 °C (dec.)(lit.), a boiling point of 378.3±17.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 182.6±20.9 °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.
- 83-55-6
- Jingsj CID
- J-47653-5
- Molecular Formula
- C10H9NO
- Molecular Weight
- 159.185 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 190 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 378.3±17.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 182.6±20.9 °C |
| Exact Mass | 159.068420 |
| PSA | 46.25000 |
| LogP | 1.43 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.742 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2922299090 |
|---|---|
| Summary | 2922299090. other amino-naphthols and other amino-phenols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 5-Amino-1-naphthol?
The CAS number of 5-Amino-1-naphthol is 83-55-6.
What are the molecular formula and molecular weight of 5-Amino-1-naphthol?
5-Amino-1-naphthol has molecular formula C10H9NO and molecular weight 159.185 g/mol.
Is 5-Amino-1-naphthol hazardous?
5-Amino-1-naphthol 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 5-Amino-1-naphthol?
For 5-Amino-1-naphthol, Upstream Products: 5-Nitro-1-naphthol, 5-Nitro-3,4-dihydro-1(2H)-naphthalenone, N,N-Dimethylaniline; Downstream Products: Methyl 5-hydroxy-1-naphthoate, Plumbagin, 1,5-Dihydroxynaphthalene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Amino-1-naphthol (CAS 83-55-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47653-5 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.