Basic information Safety Supplier Related

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

Basic information Safety Supplier Related

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

Product Name:
4-[(4-Amino-2-methyl-5-methoxyphenyl)azo]-1'-hydroxy-[1,2'-azobisnaphthalene]-4',6-disulfonic acid disodium salt
Synonyms:
  • 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
CAS:
6406-47-9
MW:
0
Mol File:
6406-47-9.mol
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4-[(4-Amino-2-methyl-5-methoxyphenyl)azo]-1'-hydroxy-[1,2'-azobisnaphthalene]-4',6-disulfonic acid disodium salt Usage And Synthesis

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 saltSupplier

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