Direct Violet 45
Name:C.I.Direct Violet 45,C.I.22510
Molecular Structure: Double azo class
Molecular Formula:C32H18N4Na4O14S4
Molecular Weight: 902.73
CAS Registry Number:6426-72-8
Manufacturing Methods : 4-(4-Aminophenyl)benzenamine double nitriding, and 7-Hydroxynaphthalene-1,3-disulfonic acid (2 Moore) coupled.
Properties and Applications: purple. Soluble in water. The strong sulfuric acid for purple, diluted for red jade; In nitric acid solution for orange. The dye solution to join strong sodium hydroxide solution in red.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
ISO | 4-5 | 4 | 2 | 1-2 | 1-2 |
List of Suppliers:
Arlindone Blue 04B( Arlabs Ltd )
Direct Violet 2R( Aziende Colon Nazionali Affini (ACNA) )