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Region :China/Zhejiang
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Details for Naphthol AS-KB

Naphthol AS-KB 135-63-7

Category :	Dyestuffs and Pigments/Others
CAS NO :	135-63-7
EC NO :	205-207-1
MF :	C₁₈H₁₄ClNO₂
MW :	311.7623
Product description :	Product name:Naphthol AS-KB C.I. 37526 CAS: 135-63-7 Chemical name: 3-hydroxy-N - (5-chloro-2-methyl-phenyl) -2-naphthoformamide Molecular formula: C18H14ClNO2 Formula: Appearance: Light beige powder Shade: approximate Strength: 100 + / - 3% Content: 98% or higher Melting point: 240 ℃ or higher Alkali insoluble substance: ≤0.5% 2,3 acid content: ≤0.2% Sieve residue 60 mesh (or 80 mesh) ≤5% Application: This product is mainly used as an intermediate of organic pigment, which can produce organic red 11, 147 and 162.This product can also be used for cotton, viscose and silk dyeing, generally not for printing.This product has a low affinity for cotton, the best dyeing temperature is 30℃, infection temperature is 90℃
Synonyms :	C.I. 37526;C.I. Azoic Coupling Component 21;Naphthanilid KB;C.I.Azoic Coupling Component 21;2-Hydroxy-3-Naphthoyl-(2'-Methyl-5'-Chloro) Aniline;N-(5-chloro-2-methylphenyl)-3-hydroxynaphthalene-2-carboxamide;
Molecular Structure :

Naphthol AS-KB

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