Naphthol As Pigment Intermediates Used To Synthesize Organic Pigments Red Cas 92-77-3 C.I. 37505

Product Name:Naphthol AS

Alias:2-hydroxy-3-naphthoic acid anilide

C.I. : 37505

CAS: 92-77-3

Chemical Formula：C₁₇H₁₃NO₂

Appearance: Beige powder

Color shade(with standard):similar

Strength:100±3%

Purity:≥98.5%

Melting point:≥247℃

Insoluble in Alkali:≤0.15%

BON acid content):≤0.10%

Residue on 60M sieve:≤5%

Usage: This product is mainly used as an intermediate of organic pigment, which can produce pigment red2,21,22,32,245,258,268, pigment orange 24, pigment violet 13,17,50, pigment blue 20 .

This product is also commonly used as primer, widely used in cotton fabric dyeing and printing. When cotton is dyed, its affinity to cotton is low, and the coupling capacity is moderate, and the coupling pH value is determined according to the heavy nitrogen component of ice dyeing. Can also be used for cotton yarn, polyester / cotton, viscose, silk, vinylon fiber dyeing and vinegar, can also direct printing with reactive dyes, cotton fabric with India and resist printing, discharge printing, reactive dye color resist printing, and used in the manufacture of fast fast fast sulfonyl amine hormone pigment, pigment.

Shandong Andy New Material Co. Ltd. is a professional new high-tech enterprise which develop, produce and sell Naphthol AS series and Textile Auxiliary productions. Our company is located on Wenshang county which is known as The capital of Buddhism and Confucianism holy land.Wenshang county was called Zhongdu with rich natural resources and outstanding people in ancient.It is world famous for the the Tooth Relic. In the Spring and Autumn Period, Confucius once was the governor.

http://www.naphtholas.com/