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Azoic Coupling Component 3

Name:C.I.Azoic Coupling Component 3,C.I.37575

Molecular Structure:

C.I.Azoic Coupling Component 3,C.I.37575,CAS 91-92-9,584.62,C36H28N2O6,Amarthol AS-BR

C.I.Azoic Coupling Component 3,C.I.37575,CAS 91-92-9,584.62,C36H28N2O6

Molecular Formula:C36H28N2O6

Molecular Weight: 584.62

CAS Registry Number:91-92-9

Manufacturing Methods : 3,3′-Dimethoxylbenzidine and 3-Hydroxy-2-naphthoic acid condensation.

Properties and Applications: brown powder. Insoluble in water, but soluble in adjacent nitro toluene. The strong sulfuric acid in light yellow solution for brown, a green fluorescent; Sodium hydroxide solution for in the light yellow brown; Sodium carbonate in solution not dissolve. Melting point 348 ℃, the air is stable. This product is dyed brown render agent, mainly used for dyeing cotton, PVA and viscose, general is not used for printing. Coloring phenol AS-BR render, for red light brown, and reduction brown BR similar. This product to cotton affinity is higher, the pH of the coupling according to the color of the base may be. Dip, improve the temperature can increase the render color quantity.

List of Suppliers:

Amarthol AS-BR ( Amar Dye Chem Ltd  )

Vipulthol ASBR (Napthol ASBR)( Vipul Dye-Chem Ltd )


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