4-[(4-Amino-2-methyl-5-methoxyphenyl)azo]-1'-hydroxy-[1,2'-azobisnaphthalene]-4',6-disulfonic acid disodium salt

CAS No.
6406-47-9
Chemical Name:
4-[(4-Amino-2-methyl-5-methoxyphenyl)azo]-1'-hydroxy-[1,2'-azobisnaphthalene]-4',6-disulfonic acid disodium salt
Synonyms
C.I.26705;Direct Blue 123;C.I.Direct Blue 123;Diaminogen Sky Blue N;C.I.Direct Blue 123:C.I.26705;N-[(4-acetamidophenyl)carbamothioyl]-3-bromobenzamide;4-[(4-Amino-2-methyl-5-methoxyphenyl)azo]-1'-hydroxy-[1,2'-azobisnaphthalene]-4',6-disulfonic acid disodium salt
CBNumber:
CB32311462
Molecular Formula:
Molecular Weight:
0
MDL Number:
MOL File:
6406-47-9.mol

4-[(4-Amino-2-methyl-5-methoxyphenyl)azo]-1'-hydroxy-[1,2'-azobisnaphthalene]-4',6-disulfonic acid disodium salt Chemical Properties,Uses,Production

Preparation

N-(4-amino-2-methoxy-5-methylphenyl)acetamide diazo, and 5-Aminonaphthalene-2-sulfonic acid coupling, product to diazo, and 4-Hydroxynaphthalene-1-sulfonic acid coupling, and then hydrolysis acetyl amino.

Properties and Applications

dark blue to navy blue. Soluble in water for navy to violet black, slightly soluble in ethanol to blue. In the strong sulfuric acid as dark blue, for purple diluted. The dye solution to join strong hydrochloric acid has the purple precipitation; With strong sodium hydroxide solution for the navy.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 5 5 3 3-4 3-4

4-[(4-Amino-2-methyl-5-methoxyphenyl)azo]-1'-hydroxy-[1,2'-azobisnaphthalene]-4',6-disulfonic acid disodium salt Preparation Products And Raw materials

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4-[(4-Amino-2-methyl-5-methoxyphenyl)azo]-1'-hydroxy-[1,2'-azobisnaphthalene]-4',6-disulfonic acid disodium salt C.I.26705 C.I.Direct Blue 123 Diaminogen Sky Blue N N-[(4-acetamidophenyl)carbamothioyl]-3-bromobenzamide Direct Blue 123 C.I.Direct Blue 123:C.I.26705 6406-47-9