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1,6-Dihydroxynaphthalene

Also known as: 1,6-Naphthalenediol, naphthalene-1,6-diol, 1,6-dihydroxy-naphthalene, 6-Hydroxy-1-naphthol, C.I. 76630, MFCD00003981

1,6-Dihydroxynaphthalene (CAS 575-44-0) 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 160.169 g/mol. Key properties include a melting point of 130-133 °C(lit.), a boiling point of 375.4±15.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 193.5±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.
575-44-0
Jingsj CID
J-44826-0
Molecular Formula
C10H8O2
Molecular Weight
160.169 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point130-133 °C(lit.)
Boiling Point375.4±15.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point193.5±15.0 °C
Exact Mass160.052429
PSA40.46000
LogP1.98
Vapor Pressure0.0±0.9 mmHg at 25°C
Refractive Index1.726

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2907299090
Summary2907299090 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 1,6-Dihydroxynaphthalene?

The CAS number of 1,6-Dihydroxynaphthalene is 575-44-0.

What are the molecular formula and molecular weight of 1,6-Dihydroxynaphthalene?

1,6-Dihydroxynaphthalene has molecular formula C10H8O2 and molecular weight 160.169 g/mol.

Is 1,6-Dihydroxynaphthalene hazardous?

1,6-Dihydroxynaphthalene 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 1,6-Dihydroxynaphthalene?

For 1,6-Dihydroxynaphthalene, Upstream Products: 5-Aminonaphthalene-2-sulfonic acid, 2-Naphthol, 2-Amino-1,5-naphthalenedisulfonic acid; Downstream Products: 5-hydroxy-3,4-dihydronaphthalen-2(1H)-one, 1,6-Dimethoxynaphthalene, 6-Methoxynaphthalen-1-ol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1,6-Dihydroxynaphthalene (CAS 575-44-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44826-0 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.