5,5'-[3,3'-Dimethyl-1,1'-biphenyl-4,4'-diylbis(azo)]bis[6-aminonaphthalene-2-sulfonic acid sodium] salt

CAS NO.：6406-01-5
Empirical Formula: C34H28N6NaO6S2+
Molecular Weight: 703.74249
SAFETY DATA SHEET (SDS)

What is 5,5'-[3,3'-Dimethyl-1,1'-biphenyl-4,4'-diylbis(azo)]bis[6-aminonaphthalene-2-sulfonic acid sodium] salt?

Preparation

3,3′-Dimethylbenzidine double nitriding, and 6-Aminonaphthalene-2-sulfonic acid (2 Moore) coupled.

Properties and Applications

yellow light red. Moderate soluble in water for palm light orange, trace soluble in alcohol for red orange, insoluble in other organic solvents. The strong sulfuric acid for blue, Red sauce for shallow diluted. The dye solution to join strong hydrochloric acid for brown, have precipitation; Add thick sodium hydroxide solution for orange brown, have precipitation.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
				Fading	Stain	Fading	Stain
ISO	2	4-5	1	1-2		1-2

Safety information for 5,5'-[3,3'-Dimethyl-1,1'-biphenyl-4,4'-diylbis(azo)]bis[6-aminonaphthalene-2-sulfonic acid sodium] salt

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