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naphthol AS-RS

naphthol AS-RS structure

CAS No.: 5165-81-1

Chemical Name:: naphthol AS-RS

Synonyms: C.I.37541;naphthol AS-RS;Naphtol AS-RS.;Naphtanilide RS;Azoic Coupling Component 28;C.I.Azoic Coupling Component 28;C.I.Azoic Coupling Component 28:C.I.37541;4'-chloro-3-hydroxy-2'-methoxy-5'-methyl-2-naphthanilide;N-(4-Chloro-5-methyl-2-methoxyphenyl)-3-hydroxy-2-naphthamide;N-(2-Methoxy-4-chloro-5-methylphenyl)-3-hydroxy-2-naphthamide

CBNumber:: CB8875367

Molecular Formula:: C19H16ClNO3

Molecular Weight:: 341.79

MDL Number:: MFCD00129837

MOL File:: 5165-81-1.mol

Last updated:2025-12-31 14:38:37

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naphthol AS-RS Properties

Boiling point	458.9±45.0 °C(Predicted)
Density	1.350±0.06 g/cm3(Predicted)
pka	8.68±0.40(Predicted)
FDA UNII	N3ZQ2NPW7W
EPA Substance Registry System	2-Naphthalenecarboxamide, N-(4-chloro-2-methoxy-5-methylphenyl)-3-hydroxy- (5165-81-1)

SAFETY

Risk and Safety Statements

TSCA	TSCA listed

naphthol AS-RS Chemical Properties,Uses,Production

Chemical Properties

Light brown powder. Insoluble in water.

Preparation

4-Chloro-2-methoxy-5-methylbenzenaminein pyridine withN-(4-chloro-2-methoxy-5-methylphenyl)-3-hydroxy-2-naphthamide condensation.

Properties and Applications

Shallow brown powder, insoluble in water. Mainly used for cotton, PVAdyeing and glue, and all the good fastness, not used for printing of cotton. To cotton of high affinity.

naphthol AS-RS Preparation Products And Raw materials

Raw materials

3-Amino-5-methylisoxazole 4-Chloro-2-methoxy-5-methylaniline Pyridine naphthol AS-RS

Preparation Products

naphthol AS-RS

naphthol AS-RS Suppliers

Global( 3)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Alfa Chemistry	+1-5166625404;	Info@alfa-chemistry.com	United States	20000	58
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd	029-029-029-81148696 18161915376	1040@dideu.com	China	9994	58

Supplier	Advantage
Alfa Chemistry	58
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd	58

5165-81-1(naphthol AS-RS)Related Search:

2-Hydroxy-N-(4-methoxy-2-methylphenyl)-11H-benzo[a]carbazole-3-carboxamide 4,4'-dichloro-2,2'-dimethoxy-5,5'-dimethyl-alpha,alpha'-terephthaloyldiacetanilide Naphthol AS-BR C.I. 37575 3-hydroxy-N-(4-nitrophenyl)naphthalene-2-carboxamide naphthol AS-S

NAPHTHOL AS-MX 3-Hydroxy-N-(4-methylphenyl)naphthalene-2-carboxamide N-(4-Ethoxyphenyl)-3-hydroxy-2-naphthamide NAPHTHOL AS-LT

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naphthol AS-RS N-(4-chloro-2-methoxy-5-methylphenyl)-3-hydroxy-2-naphthamide N-(4-chloro-2-methoxy-5-methylphenyl)-3-hydroxy-2-Naphthalenecarboxamide 2-Naphthalenecarboxamide, N-(4-chloro-2-methoxy-5-methylphenyl)-3-hydroxy C.I.Azoic Coupling Component 28 Naphtanilide RS Naphtol AS-RS. C.I.37541 N-(2-Methoxy-4-chloro-5-methylphenyl)-3-hydroxy-2-naphthamide N-(4-Chloro-5-methyl-2-methoxyphenyl)-3-hydroxy-2-naphthamide N-(4-chloro-2-methoxy-5-methyl-phenyl)-3-hydroxy-naphthalene-2-carboxamide N-(4-chloro-2-methoxy-5-methylphenyl)-3-hydroxynaphthalene-2-carboxamide 4'-chloro-3-hydroxy-2'-methoxy-5'-methyl-2-naphthanilide Azoic Coupling Component 28 C.I.Azoic Coupling Component 28:C.I.37541 5165-81-1