2,3-Naphthalenediol
Also known as: 2,3-Dihydroxynaphthalene, 2,3-dihydroxynaphthalene, Naphthalene-2,3-diol, 2,3-Dihydroxy naphthalene
2,3-Naphthalenediol (CAS 92-44-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C10H8O2 and a molecular weight of 160.17 g/mol. Key properties include a melting point of 161-165 °C(lit.), a boiling point of 353.9±15.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 181.0±15.0 °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.
- 92-44-4
- Jingsj CID
- J-33246-7
- Molecular Formula
- C10H8O2
- Molecular Weight
- 160.17 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 161-165 °C(lit.) |
|---|---|
| Boiling Point | 353.9±15.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 181.0±15.0 °C |
| Exact Mass | 160.052429 |
| PSA | 40.46000 |
| LogP | 2.11 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.726 |
| Additional Property | slightly soluble |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2907299090 |
|---|---|
| Summary | 2907299090 polyphenols; phenol-alcohols。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:5.5%。general tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2,3-Naphthalenediol?
The CAS number of 2,3-Naphthalenediol is 92-44-4.
What are the molecular formula and molecular weight of 2,3-Naphthalenediol?
2,3-Naphthalenediol has molecular formula C10H8O2 and molecular weight 160.17 g/mol.
Is 2,3-Naphthalenediol hazardous?
2,3-Naphthalenediol 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 2,3-Naphthalenediol?
For 2,3-Naphthalenediol, Upstream Products: 2-Naphthol, 2,3-Naphtho-15-crown-5, 6-amino-7-hydroxynaphthalene-2-sulfonic acid; Downstream Products: 2,3-Naphtho-15-crown-5, 2,3-Diaminonaphthalene, 3-Amino-2-naphthol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,3-Naphthalenediol (CAS 92-44-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33246-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.