| Identification | Back Directory | [Name]
4-Hydroxy-3-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt | [CAS]
6507-83-1 | [Synonyms]
C.I.22445
Direct Violet 3
C.I.Direct Violet 3
C.I.Direct Violet 3:C.I.22445
4-Hydroxy-3-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt | [Molecular Formula]
C32H22N4O11S3.3Na | [MOL File]
6507-83-1.mol | [Molecular Weight]
803.71 |
| Hazard Information | Back Directory | [Preparation]
4-(4-Aminophenyl)benzenamine double nitriding, respectively with the 4-Hydroxynaphthalene-1-sulfonic acid and 4-Hydroxynaphthalene-2,7-disulfonic acid coupling. | [Properties and Applications]
purple. Soluble in water for deep purple, slightly soluble in alcohol for red light purple, insoluble in acetone. The strong sulfuric acid for blue, purple for red after diluted. The dye solution to join strong hydrochloric acid for purplish red color; Add thick sodium hydroxide solution in red.
|
Standard
|
Acid Resistance
|
Alkali Resistance
|
Light Fastness
|
Soaping
|
Water
|
|
Fading
|
Stain
|
Fading
|
Stain
|
|
ISO
|
4
|
3-4
|
1
|
2
|
|
2
|
|
|
|
|