C11H8O3
188.18 g/mol
Dye & PigmentDanger
3-Hydroxy-2-naphthoic acid
CAS92-70-6EC202-180-8
Category
Dye & Pigment
Compound Class
Aromatic
Primary Use
Intermediate for azo dyes and pigments
3-Hydroxy-2-naphthoic acid is an organic compound that serves as a precursor in the production of certain azo dyes and pigments. It is one of several hydroxynaphthoic acids and features both a hydroxyl and a carboxylic acid group on a naphthalene ring.
Intermediate for azo dyesIntermediate for pigments
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
4-chloro-2-methylaniline
CAS95-69-2
Intermediate for azo dyes and pigments
ApplicationSame Use
3,3'-dichlorobenzidine dihydrochloride
CAS612-83-9
Intermediate for azo dyes and pigments
ApplicationSame Use
O-nitroaniline
CAS88-74-4
Intermediate for azo dyes and pigments
ReferenceSame Category
5'-chloro-3-hydroxy-2',4'-dimethoxy-2-naphthanilide
CAS92-72-8
Naphthol dye intermediate
ReferenceSame Category
3-hydroxy-2-naphtho-O-phenetidide
CAS92-74-0
Pigment intermediate
ReferenceSame Category
3-hydroxy-2-naphthanilide
CAS92-77-3
Naphthol AS dye intermediate
ReferenceSame Category
4'-chloro-3-hydroxy-2-naphthanilide
CAS92-78-4
Naphthol AS coupling component for azo dyes
Safety Reference
Danger
H302Harmful if swallowed
H318Causes serious eye damage
H319Causes serious eye irritation
H335May cause respiratory irritation
H412Harmful to aquatic life with long lasting effects
H312Harmful in contact with skin
H315Causes skin irritation
H317May cause an allergic skin reaction
H361Suspected of damaging fertility or the unborn child
H371May cause damage to organs
H373May cause damage to organs through prolonged or repeated exposure
H402Harmful to aquatic life
Customs Tariff Classification
The international HS code for 3-Hydroxy-2-naphthoic acid (CAS 92-70-6) is 2918.29.
HS code (international, 6-digit)
2918.29
EU CN code (8-digit)
2918 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
3-hydroxynaphthalene-2-carboxylic acid
InChIKey
ALKYHXVLJMQRLQ-UHFFFAOYSA-N
SMILES
C1=CC=C2C=C(C(=CC2=C1)C(=O)O)O
Synonyms (33)
- BON
- BONA
- BZJ
- 2-Hydroxy-3-naphthoic acid
- 2-Hydroxy-3-napthoic acid
- 2-Naphthoic acid, 3-hydroxy-
- 2-Naphthol-3-carboxylic acid
- 3-Hydroxy-2-naphthoesaeure
- 3-Hydroxy-2-naphthoic acid
- 3-Hydroxy-beta-naphthoic acid
- 3-Naphthol-2-carboxylic acid
- 3-hydroxy-2-naphtoic acid
- 3-hydroxy-2-napthoic acid
- BON acid
- C.I. Developer 20
- C.I. Developer 20 (Obs.)
- C.I. Developer 8
- Developer 8
- Developer BON
- Kyselina 3-hydroxy-2-naftoova
- Miketazol Developer ONS
- Naphthol B.O.N.
- beta-Hydroxynaphthoic acid
- beta-Oxynaphthoic acid
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