Direct Violet 22
Name:C.I.Direct Violet 22,C.I.22480
Molecular Structure: Double azo class
C.I.Direct Violet 22,C.I.22480,CAS 6426-67-1,800.68,C32H19N4Na3O11S3,Arlindone Brilliant Pink BB
Molecular Formula:C32H19N4Na3O11S3
Molecular Weight: 800.68
CAS Registry Number:6426-67-1
Manufacturing Methods : 4-(4-Aminophenyl)benzenamine double nitriding, respectively with the 8-Hydroxynaphthalene-1,3,6-trisulfonic acid and Naphthalen-2-ol coupling.
Properties and Applications: blue purple. Soluble in water for purple, slightly soluble in alcohol. The strong sulfuric acid for colourful blue, purple for colourful after diluted; In nitric acid for yellow in red. The dye solution to join 10% sodium hydroxide solution for strong red light purple.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 4-5 | 4 | 1 | 2-3 | 1 | ||
| AATCC | 4-5 | 4 | 1-2 | 2 | 1-2 | ||
List of Suppliers:
Arlindone Brilliant Pink BB( Arlabs Ltd )