disodium 4,4'-[(4,6-diamino-1,3-phenylene)bis(azo)]bisnaphthalene-1-sulphonate

CAS NO.：5850-05-5
Empirical Formula: C26H18N6Na2O6S2
Molecular Weight: 620.56726
EINECS: 2274434
SAFETY DATA SHEET (SDS)

What is disodium 4,4'-[(4,6-diamino-1,3-phenylene)bis(azo)]bisnaphthalene-1-sulphonate?

Preparation

2 Moore 4-Aminonaphthalene-1-sulfonic acid diazo, and 1 Moore Benzene-1,3-diamine coupling.

Properties and Applications

red light brown. Soluble in water for red light brown, slightly soluble in ethanol is shallow orange brown. The strong sulfuric acid for purple, dilute after brown precipitation. In water solution to join hydrochloric acid with brown precipitation; Add thick sodium hydroxide solution have red brown precipitation

Standard	Light Fastness	Soaping		Persperation Fastness	Oxygen bleaching		Fastness to seawater
Standard	Light Fastness	Fading	Stain	Persperation Fastness	Fading	Stain	Fading	Stain
ISO	2	2-3	3	1-2

Safety information for disodium 4,4'-[(4,6-diamino-1,3-phenylene)bis(azo)]bisnaphthalene-1-sulphonate

disodium 4,4'-[(4,6-diamino-1,3-phenylene)bis(azo)]bisnaphthalene-1-sulphonate manufacturer

Appex Dye Stuff Industries

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product: 5850-05-5 Acid brown 5 99%

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