4-Amino-3-[[4'-[(2,4-diaminophenyl)azo]-1,1'-biphenyl-4-yl]azo]-1-naphthalenesulfonic acid sodium salt

CAS NO.：6486-30-2
Empirical Formula: C28H23N7O3S.Na
Molecular Weight: 560.59

What is 4-Amino-3-[[4'-[(2,4-diaminophenyl)azo]-1,1'-biphenyl-4-yl]azo]-1-naphthalenesulfonic acid sodium salt?

Preparation

4-(4-Aminophenyl)benzenamine double nitriding, which in turn and Benzene-1,3-diamine and 4-Aminonaphthalene-1-sulfonic acid matches.

Properties and Applications

brown. The strong sulfuric acid in the dark for the light blue, red blue after diluted precipitation; In nitric acid solution for brown. The dye solution to join the sodium hydroxide solution with the same color.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
				Fading	Stain	Fading	Stain
ISO	2	3	2	2		2-3

Properties of 4-Amino-3-[[4'-[(2,4-diaminophenyl)azo]-1,1'-biphenyl-4-yl]azo]-1-naphthalenesulfonic acid sodium salt

EPA Substance Registry System

C.I. Direct Brown 86 (6486-30-2)

Safety information for 4-Amino-3-[[4'-[(2,4-diaminophenyl)azo]-1,1'-biphenyl-4-yl]azo]-1-naphthalenesulfonic acid sodium salt

Computed Descriptors for 4-Amino-3-[[4'-[(2,4-diaminophenyl)azo]-1,1'-biphenyl-4-yl]azo]-1-naphthalenesulfonic acid sodium salt

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