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

CAS No.
5893-32-3
Chemical 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
C.I.28280;Direct Green 38;C.I.Direct Green 38;C.I.Direct Green 38:C.I.28280;6'-[(4-Aminobenzoyl)amino]-2-ethoxy-4-[(2,5-dichloro-4-sodiosulfophenyl)azo]-1'-hydroxy-[1,2'-azobisnaphthalene]-3',6-disulfonic acid disodium salt;(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
CBNumber:
CB72207480
Molecular Formula:
Molecular Weight:
0
MDL Number:
MOL File:
5893-32-3.mol

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

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 salt Preparation Products And Raw materials

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 5893-32-3