Direct Violet 37
Name:C.I.Direct Violet 37,C.I.24370
Molecular Structure: Double azo class
Molecular Formula:C34H26N6Na2O10S2
Molecular Weight: 788.72
CAS Registry Number:6473-24-1
Manufacturing Methods : 3,3′-Dimethoxylbenzidine double nitriding, in acid conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid (2 Moore) coupled.
Properties and Applications: blue purple.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
ISO | 5 | 4 | 2-3 | 2-3 |
List of Suppliers:
Enianil Violet ND( Enia Industries Quimicas S.A. )