C21H15NO2
313.3 g/mol
Dye & PigmentWarning
3-Hydroxy-N-2-naphthyl-2-naphthamide
CAS135-64-8EC205-208-7
Category
Dye & Pigment
Compound Class
Amide
Primary Use
Naphthol dye intermediate
3-Hydroxy-N-2-naphthyl-2-naphthamide is an organic compound used as an intermediate in the production of naphthol-based dyes. Its structure features two naphthalene rings linked by an amide bond, with a hydroxyl group contributing to its reactivity in dye synthesis.
Naphthol 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
SimilarStructure SimilarSimilarity 0.76
3-hydroxy-2-naphthanilide
CAS92-77-3
Naphthol AS dye intermediate
SimilarStructure SimilarSimilarity 0.72
4'-chloro-3-hydroxy-2-naphthanilide
CAS92-78-4
Naphthol AS coupling component for azo dyes
ApplicationSame Use
3-Hydroxy-N-naphthalen-1-ylnaphthalene-2-carboxamide
CAS132-68-3
Naphthol dye intermediate
ApplicationSame Use
2-Naphthalenecarboxamide, N,N'-(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis[3-hydroxy-
CAS91-92-9
Naphthol dye intermediate
ApplicationSame Use
4,4'-bis(O-acetoacetotoluidide)
CAS91-96-3
Naphthol dye intermediate
ApplicationSame Use
5'-chloro-3-hydroxy-2',4'-dimethoxy-2-naphthanilide
CAS92-72-8
Naphthol dye intermediate
ReferenceSame Category
3-hydroxy-3'-nitro-2-naphthanilide
CAS135-65-9
naphthol dye intermediate
ReferenceSame Category
2-naphthol-6-sulfonic acid sodium
CAS135-76-2
dye intermediate
Safety Reference
Warning
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for 3-Hydroxy-N-2-naphthyl-2-naphthamide (CAS 135-64-8) 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-naphthalen-2-ylnaphthalene-2-carboxamide
InChIKey
PMYDPQQPEAYXKD-UHFFFAOYSA-N
SMILES
C1=CC=C2C=C(C=CC2=C1)NC(=O)C3=CC4=CC=CC=C4C=C3O
Synonyms (55)
- ANARTHOL AS-SW
- Acco Naf-Sol AS-SW
- Acco Naphthol AS-SW
- Acna Naphthol D
- Amanil Naphthol AS-SW
- Amarthol AS-SW
- Anthonaphthol SW
- Azoic Coupling Component 7
- C.I. Developer 23
- CONAZOIC L
- Celcot RA
- Cibanaphthol RA
- DYCOSTHOL AS-SW
- Diathol SW
- Dragonthol SW
- HEBEITHOL AS-SW
- Hiltonaphthol AS-SW
- MIKETAZOL DEVELOPER HF
- Mitsui Naphthozol SW
- NAFTOL AS-SW
- NAPHTHOL SW
- NAPTHOL ASSW
- Naftolo MSW
- Naphtanilide SW
- Naphtazol SW
- Naphthanil SW
- Naphthanilid SW
- Naphthoide SW
- Naphthol AS-SW
- Naphthol AS-SW Dispersible
- Naphtholate AS-SW Soln
- Naphthosol SWF
- Naphtoelan SW
- Naphtol AS-SW
- Naphtol AS-SW Supra
- Naphtol AS-SWLL
- Naphtol AS-SWN
- Naphtolate AS-SW Conc. Soln.
- Solunaptol BNXL
- Tulathol AS-SW
- developer 23
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