C10H8O2
160.17 g/mol
Dye & PigmentDanger
2,3-Dihydroxynaphthalene
CAS92-44-4EC202-156-7
Category
Dye & Pigment
Compound Class
Aromatic
Primary Use
dye intermediate
2,3-Dihydroxynaphthalene is a naphthalenediol compound. It is primarily used as an intermediate in the synthesis of dyes and pigments.
dye intermediate
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
Ethylbenzylaniline
CAS92-59-1
dye intermediate and photographic intermediate
ReferenceSame Category
4-aminobiphenyl
CAS92-67-1
dye intermediate
ReferenceSame Category
3-hydroxy-2-naphthoic acid
CAS92-70-6
Intermediate for azo dyes and pigments
ReferenceSame Category
5'-chloro-3-hydroxy-2',4'-dimethoxy-2-naphthanilide
CAS92-72-8
Naphthol dye intermediate
Safety Reference
Danger
H302Harmful if swallowed
H315Causes skin irritation
H318Causes serious eye damage
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 2,3-Dihydroxynaphthalene (CAS 92-44-4) 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-2,3-diol
InChIKey
JRNGUTKWMSBIBF-UHFFFAOYSA-N
SMILES
C1=CC=C2C=C(C(=CC2=C1)O)O
Synonyms (12)
- D48
- 2,3-Dihydroxynaphthalene
- 2,3-Dihydroxynaphthlene
- 2,3-Dihydroxynapthalene
- 2,3-NAPHTHALENEDIOL
- 2,3-Naphthalenediol, NSC 8707
- 3-hydroxy-2-naphthol
- DIHYDROXYNAPHTHALENE, 2,3-
- Naphthalene-2,3-diol
- Naphthalenediol-(2,3)
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