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Home/Compounds/Dye & Pigment/1,5-naphthalenediol
C10H8O2
160.17 g/mol
Dye & PigmentWarning

1,5-DIHYDROXYNAPHTHALENE

CAS83-56-7EC201-487-4
Category
Dye & Pigment
Compound Class
Alcohol
Primary Use
Dye manufacturing intermediate

1,5-Dihydroxynaphthalene is a chemical compound that naturally occurs in certain plants and is used as an intermediate in the production of dyes.

Used to make dyes

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Related Compounds

ApplicationSame Use

3-methylsalicylic acid

CAS83-40-9

Dye manufacturing intermediate

ReferenceSame Category

Lawsone

CAS83-72-7

natural dye and pigment

ReferenceSame Category

Potassium 6-hydroxy-2-naphthalenesulfonate

CAS833-66-9

dye intermediate

ReferenceSame Category

Potassium 2-amino-4,6-disulfophenolate

CAS83763-34-2

dye intermediate

ReferenceSame Category

Dichlorosulfophenyl-3-methylpyrazolone

CAS84-57-1

Dye intermediate

Safety Reference

Harmful
Harmful
Environmental Hazard
Environmental Hazard
Warning
H302Harmful if swallowed
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H411Toxic to aquatic life with long lasting effects

Customs Tariff Classification

The international HS code for 1,5-DIHYDROXYNAPHTHALENE (CAS 83-56-7) is 2907.29.

HS code (international, 6-digit)

2907.29

EU CN code (8-digit)

2907 29 00

Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.

Identifiers
IUPAC Name

naphthalene-1,5-diol

InChIKey

BOKGTLAJQHTOKE-UHFFFAOYSA-N

SMILES

C1=CC2=C(C=CC=C2O)C(=C1)O

Synonyms (11)
  • 1,5-DIHYDROXYNAPHTHALENE
  • 1,5-DIHYDROXYNAPHTHALINE
  • 1,5-Dihydroxynapthalene
  • 1,5-NAPHTHOHYDROQUINONE
  • 1,5-Naphthalenediol
  • 1,5-Naphthalindiol
  • 1,5-dihydroxynaphtalene
  • Durafur Developer E
  • Oxidation Base
  • naphthalene-1,5-diol

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