C10H8O2
160.17 g/mol
Dye & PigmentWarning
1,3-Naphthalenediol
CAS132-86-5EC205-079-7
Category
Dye & Pigment
Compound Class
Aromatic
Primary Use
Dye and pharmaceutical intermediate
1,3-Naphthalenediol is a chemical compound primarily used as an intermediate in the production of dyes and pharmaceuticals, and also as an analytical reagent. Its structure features two hydroxyl groups on a naphthalene ring, contributing to its reactivity and utility in organic synthesis.
Intermediate for dye manufacturingIntermediate for pharmaceutical manufacturingAnalytical reagent
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
ReferenceSame Category
7-(Benzoylamino)-4-hydroxy-2-naphthalenesulfonic acid
CAS132-87-6
intermediate for azo dyes
ReferenceSame Category
Oil Red O
CAS1320-06-5
Histological dye for triglycerides
ReferenceSame Category
Pigment Violet 3
CAS1325-82-2
Pigment for paints, plastics, inks, and rubber
ReferenceSame Category
Pigment blue 1
CAS1325-87-7
pigment for printing inks and paints
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H341Suspected of causing genetic defects
Customs Tariff Classification
The international HS code for 1,3-Naphthalenediol (CAS 132-86-5) 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-1,3-diol
InChIKey
XOOMNEFVDUTJPP-UHFFFAOYSA-N
SMILES
C1=CC=C2C(=C1)C=C(C=C2O)O
Synonyms (16)
- QPI
- 1,3-DIHYDROXYNAPHTHALENE
- 1,3-Naphthalenediol
- 1,3-Naphthalenediol (8CI,9CI)
- 1,3-Naphthalindiol
- 2,4-dihydroxynaphthalene
- Naphthalene-1,3-diol
- Naphthalenediol-(1,3)
- Naphthoresorcin
- Naphthoresorcinol
- Naphthoresoucinol
- naphthoresorcine
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