C17H12ClNO2
297.7 g/mol
Dye & PigmentWarning
4'-Chloro-3-hydroxy-2-naphthanilide
CAS92-78-4EC202-189-7
Category
Dye & Pigment
Compound Class
Amide
Primary Use
Naphthol AS coupling component for azo dyes
4'-Chloro-3-hydroxy-2-naphthanilide is an organic compound used primarily as a naphthol AS coupling component in the production of azo dyes. It features an amide linkage, aromatic rings, and a chlorine substituent.
Coupling component for azo dyes
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
3-hydroxy-2-naphthanilide
CAS92-77-3
Naphthol AS dye intermediate
SimilarStructure SimilarSimilarity 0.72
3-Hydroxy-N-2-naphthyl-2-naphthamide
CAS135-64-8
Naphthol 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-4'-methoxy-2-naphthanilide
CAS92-79-5
Naphthol AS dye intermediate
Referencesame scaffold
5'-Chloro-3-hydroxy-2'-methyl-2-naphthanilide
CAS135-63-7
Naphthol dye intermediate
Safety Reference
Warning
H319Causes serious eye irritation
H411Toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for 4'-Chloro-3-hydroxy-2-naphthanilide (CAS 92-78-4) 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
N-(4-chlorophenyl)-3-hydroxynaphthalene-2-carboxamide
InChIKey
OHAXNCGNVGGWSO-UHFFFAOYSA-N
SMILES
C1=CC=C2C=C(C(=CC2=C1)C(=O)NC3=CC=C(C=C3)Cl)O
Synonyms (30)
- Acna Naphthol PC
- Amanil Naphthol AS-E
- Amarthol AS-E
- Azoic Coupling Component 10
- Cibanaphthol RC
- Daito Grounder E
- Hiltonaphthol AS-E
- Luciferase Inhibitor III
- Naphtanilide E
- Naphtazol E
- Naphthol ACNA PC
- Naphthol AS-E
- Naphtoelan E
- Naphtol AS-E Supra
- Sanatol E
- Tulathol AS-E
- nAS-E
Sourcing 4'-Chloro-3-hydroxy-2-naphthanilide?
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