| Identification | Back Directory | [Name]
7-Amino-4-hydroxy-3-[[4'-[(4-hydroxy-2-sodiosulfophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2-sulfonic acid sodium salt | [CAS]
6375-58-2 | [Synonyms]
C.I.22405
Direct Red 53
C.I.Direct Red 53
Oxamine Brilliant Red B
C.I.Direct Red 53:C.I.22405
7-Amino-4-hydroxy-3-[[4'-[(4-hydroxy-2-sodiosulfophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2-sulfonic acid sodium salt
2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-((4'-((4-hydroxy-2-sulfophenyl)azo)(1,1'-biphenyl)-4-yl)azo)-, disodium salt | [Molecular Formula]
C28H18N5Na3O8S2 | [MOL File]
6375-58-2.mol | [Molecular Weight]
685.571 |
| Hazard Information | Back Directory | [Preparation]
4-(4-Aminophenyl)benzenamine double nitriding, in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling, and?3-Hydroxybenzenesulfonic acid coupling. | [Properties and Applications]
colourful red blue light. Soluble in water for red, and adequate soluble in alcohol. The strong sulfuric acid for purple to blue, Red sauce for diluted. Dye with strong hydrochloric acid solution for the red light purple purple, precipitation; Add thick sodium hydroxide solution for big red, precipitation.
|
Standard
|
Acid Resistance
|
Alkali Resistance
|
Light Fastness
|
Soaping
|
Water
|
|
Fading
|
Stain
|
Fading
|
Stain
|
|
ISO
|
3
|
3
|
2
|
1-2
|
|
1
|
|
|
AATCC
|
3
|
3-4
|
2
|
2
|
|
1
|
|
|
|
|