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6'-[(4-Aminobenzoyl)amino]-2-ethoxy-4-[(2,5-dichloro-4-sodiosulfophenyl)azo]-1'-hydroxy-[1,2'-azobisnaphthalene]-3',6-disulfonic acid disodium salt

Basic information Safety Supplier Related

6'-[(4-Aminobenzoyl)amino]-2-ethoxy-4-[(2,5-dichloro-4-sodiosulfophenyl)azo]-1'-hydroxy-[1,2'-azobisnaphthalene]-3',6-disulfonic acid disodium salt Basic information

Product Name:
6'-[(4-Aminobenzoyl)amino]-2-ethoxy-4-[(2,5-dichloro-4-sodiosulfophenyl)azo]-1'-hydroxy-[1,2'-azobisnaphthalene]-3',6-disulfonic acid disodium salt
Synonyms:
  • 6'-[(4-Aminobenzoyl)amino]-2-ethoxy-4-[(2,5-dichloro-4-sodiosulfophenyl)azo]-1'-hydroxy-[1,2'-azobisnaphthalene]-3',6-disulfonic acid disodium salt
  • C.I.28280
  • C.I.Direct Green 38
  • (3E)-7-[(4-aminobenzoyl)amino]-3-[[4-[(2,5-dichloro-4-sulfophenyl)diazenyl]-2-ethoxy-6-sulfonaphthalen-1-yl]hydrazinylidene]-4-oxonaphthalene-2-sulfonic acid
  • Direct Green 38
  • C.I.Direct Green 38:C.I.28280
CAS:
5893-32-3
MW:
0
Mol File:
5893-32-3.mol
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6'-[(4-Aminobenzoyl)amino]-2-ethoxy-4-[(2,5-dichloro-4-sodiosulfophenyl)azo]-1'-hydroxy-[1,2'-azobisnaphthalene]-3',6-disulfonic acid disodium salt Usage And Synthesis

Preparation

4-Amino-2,5-dichlorobenzenesulfonic acid diazo, and 5-Amino-7-ehtoxy-2-naphthalenesulfonic acidcoupling, its product to diazo, and 7-(4-Aminobenzamido)-4-hydroxynaphthalene-2-sulfonic acid coupling.

Properties and Applications

green. Soluble in water for green light blue, slightly soluble in ethanol, easily soluble in soluble fiber element, insoluble in other organic solvents. In the dark for the strong sulfuric acid, diluted to blue, green precipitation; In nitric acid solution for brown, then become yellow. The dye solution to join strong hydrochloric acid blue precipitation; Add thick sodium hydroxide solution for blue precipitation.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 4 3-4 2 3-4 4
AATCC 5 5 2 2-3 5

6'-[(4-Aminobenzoyl)amino]-2-ethoxy-4-[(2,5-dichloro-4-sodiosulfophenyl)azo]-1'-hydroxy-[1,2'-azobisnaphthalene]-3',6-disulfonic acid disodium saltSupplier

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