C10H8O2
160.17 g/mol
Dye & PigmentDanger
2,7-DIHYDROXYNAPHTHALENE
CAS582-17-2EC209-478-7
Category
Dye & Pigment
Compound Class
Aromatic
Primary Use
Oxidative hair dye component
2,7-Dihydroxynaphthalene is an organic compound used primarily as a component in oxidative hair dye formulations. It features a naphthalene ring system with two hydroxyl substituents.
Oxidative hair dye component
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
SimilarStructure SimilarSimilarity 0.80
2,6-dihydroxynaphthalene
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intermediate for dyes and pigments
SimilarStructure SimilarSimilarity 0.72
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dye and pigment intermediate
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Acid dye for textiles
ReferenceSame Category
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Naphthalene sulfonic acid dye intermediate
ReferenceSame Category
Lithol Rubine B
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colorant for personal care products
Safety Reference
Danger
H302Harmful if swallowed
H315Causes skin irritation
H317May cause an allergic skin reaction
H318Causes serious eye damage
H319Causes serious eye irritation
H335May cause respiratory irritation
H411Toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for 2,7-DIHYDROXYNAPHTHALENE (CAS 582-17-2) 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-2,7-diol
InChIKey
DFQICHCWIIJABH-UHFFFAOYSA-N
SMILES
C1=CC(=CC2=C1C=CC(=C2)O)O
Synonyms (12)
- 2,7-DIHYDROXYNAPHTHALENE
- 2,7-Dihydroxyl naphthalene
- 2,7-Naphthalenediol
- 2,7-Naphthalenediol (8CI,9CI)
- 2,7-Naphthalindiol
- 2,7-Naphthelendiol
- 2,7-dihdroxynaphthalene
- 2,7-dihydorxynaphthalene
- Naphthalene-2,7-diol
- Naphthalenediol-2,7
- Naphthalenediol-2,7 [French]
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