Acid Violet 2
Name:C.I.Acid Violet 2,C.I.17190
Molecular Structure: Single azo class
Molecular Formula:C27H18N3Na3O12S4
Molecular Weight: 773.68
CAS Registry Number:6222-43-1
Manufacturing Methods : 4-Aminonaphthalene-1-sulfonic acid diazo, and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid in acid conditions coupled, then use 4-Methylbenzene-1-sulfonyl chloride esterification.
Properties and Applications: red light purple. Mainly used for the wool dyeing and printing.
Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 2 | 2-3 | 3 | 4-5 | 3 |
List of Suppliers:
Cirene Brilliant Violet R ( Aziende Colon Nazionali Affini (ACNA) )
LecotanViolet 190( Jinwoong Industrial Co Ltd )