C17H13NO2
263.29 g/mol
Dye & PigmentWarning
3-Hydroxy-2-naphthanilide
CAS92-77-3EC202-188-1
Category
Dye & Pigment
Compound Class
Amide
Primary Use
Naphthol AS dye intermediate
3-Hydroxy-2-naphthanilide is an organic compound that serves as a key intermediate in the production of Naphthol AS dyes. It is the anilide of 3-hydroxy-2-naphthoic acid and is used primarily in pigment and dye manufacturing.
Naphthol AS dye intermediatepigment manufacturing 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
SimilarStructure SimilarSimilarity 0.76
4'-chloro-3-hydroxy-2-naphthanilide
CAS92-78-4
Naphthol AS coupling component for azo dyes
SimilarStructure SimilarSimilarity 0.76
3-Hydroxy-N-2-naphthyl-2-naphthamide
CAS135-64-8
Naphthol dye intermediate
SimilarStructure SimilarSimilarity 0.72
3-hydroxy-4'-methoxy-2-naphthanilide
CAS92-79-5
Naphthol AS dye intermediate
ReferenceSame Category
Benzidine
CAS92-87-5
dye intermediate for azo dyes
ReferenceSame Category
2-naphthylamine-6-sulfonic acid
CAS93-00-5
intermediate for azo dyes
ReferenceSame Category
2-naphthol-6-sulfonic acid
CAS93-01-6
Azo dye intermediate
ReferenceSame Category
N,N-diethyl-p-phenylenediamine
CAS93-05-0
Dye intermediate and photographic developer
Referencesame scaffold
3-hydroxy-3'-nitro-2-naphthanilide
CAS135-65-9
naphthol dye intermediate
Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation
H411Toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for 3-Hydroxy-2-naphthanilide (CAS 92-77-3) is 2924.29.
HS code (international, 6-digit)
2924.29
EU CN code (8-digit)
2924 29 70
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-hydroxy-N-phenylnaphthalene-2-carboxamide
InChIKey
JFGQHAHJWJBOPD-UHFFFAOYSA-N
SMILES
C1=CC=C(C=C1)NC(=O)C2=CC3=CC=CC=C3C=C2O
Synonyms (78)
- .ALPHA.-NAPHTHOL AS
- 2-Hydroxy-3-naphthanilide
- 2-Hydroxy-3-naphthoic anilide
- 2-Hydroxy-3-naphthoylanilide
- 2-Naphthanilide, 3-hydroxy-
- 3-Hydroxy-2-naphthanilide
- 3-Hydroxy-2-naphthoylanilid
- 3-Hydroxy-2-naphthoylanilide
- 3-hydroxy-2-naphthanilid
- ACCO Naphthol AS
- ACNA Naphthol C
- ANATHOL AS
- Amanil Naphthol AS
- Amarthol AS
- Anthonaphthol AS
- Aquafine Red E 9
- Azoground AS
- Azoic coupling component 2
- Azonaphthol A
- Azonaphtol A
- Azotol A
- Brenthol AS
- C.I. AZO COUPLING COMP. 2
- Celcot RF
- Cibanaphthol RF
- Diathol AS
- Diathol ASF
- Dragonthol A
- HEBEITHOL AS
- Hiltonaphthol AS
- Hiltonphthol AS
- Kambothol AS
- Lake Developer A
- Mitsui Naphthozol AS
- Naftoelan A
- Naftolo MM
- Naphtanilide OL Supra
- Naphtanilide RC
- Naphtanilide RC Supra
- Naphtazol A
- Naphthanil AS
- Naphthanilide OL Supra
- Naphthanilide RC
- Naphthanilide RC Supra
- Naphthoide AS
- Naphthoide AS No. 100
- Naphthol ACNA C
- Naphthol AS
- Naphthol AS Supra
- Naphthol AS-A
- Naphtholate AS
- Naphtholate AS Soln
- Naphtoelan A
- Naphtol AS
- Naphtolate AS Soln
- ORANGE BASE GC
- Solunaptol A
- Tulathol AS
- Ultrazol I-AS
- b-hydroxynaphthoic anilide
- beta-Hydroxynaphthoic anilide
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