1H-Indolesulfonic acid, 3,3'-[carbonylbis(imino-4,1-phenyleneazo)]bis[2-methyl-, disodium salt

Product Name
1H-Indolesulfonic acid, 3,3'-[carbonylbis(imino-4,1-phenyleneazo)]bis[2-methyl-, disodium salt
CAS No.
1324-42-1
Chemical Name
1H-Indolesulfonic acid, 3,3'-[carbonylbis(imino-4,1-phenyleneazo)]bis[2-methyl-, disodium salt
Synonyms
Direct Yellow 13;C.I.Direct Yellow 13:C.I.25325;1H-Indolesulfonic acid, 3,3'-[carbonylbis(imino-4,1-phenyleneazo)]bis[2-methyl-, disodium salt
CBNumber
CB84749468
Formula Weight
0
MOL File
Mol file
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Hazard and Precautionary Statements (GHS)

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1H-Indolesulfonic acid, 3,3'-[carbonylbis(imino-4,1-phenyleneazo)]bis[2-methyl-, disodium salt Chemical Properties,Usage,Production

Preparation

N-(4-aminophenyl)acetamide diazo, and 2-Methyl-1H-indole-5-sulfonic acid?coupling, and then will the hydrolysis of amino acylation, again will get the amino nitrogen compounds for light accidentally gasification.

Properties and Applications

dark yellow. Soluble in water for golden brown, and adequate soluble in ethanol olive yellow. The strong sulfuric acid for yellow brown, after dilution is purple. Dye with strong hydrochloric acid solution for the red light brown, have precipitation; Add thick sodium hydroxide solution for gold orange.

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

1H-Indolesulfonic acid, 3,3'-[carbonylbis(imino-4,1-phenyleneazo)]bis[2-methyl-, disodium salt Preparation Products And Raw materials

Raw materials

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