Vat Violet 19
Name:C.I.Vat Violet 19,C.I.52100
Molecular Structure: thiazine class
C.I.Vat Violet 19,C.I.52100,CAS 6379-03-9,456.17,C19H10Cl4N2OS,Indanthren Printing Blue 3R
Molecular Formula:C19H10Cl4N2OS
Molecular Weight: 456.17
CAS Registry Number:6379-03-9
Manufacturing Methods : O-Methylaniline with Disulfur dichloride (S2Cl2) cure, its product and M-chloroaniline condensation, then use Sodium hydroxide ethanol solution treatment, generated 2-amino -5 – (amino-chlorophenyl) -3 -methyl-thiophenol of Sodium salt and 2,3,5,6-Tetrachlorocyclohexa-2,5 -diene-1,4-dione condensation.
Properties and Applications: blue light purple.
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 4 | 4-5 | 4 | ||||
List of Suppliers:
Indanthren Printing Blue 3R( Cassella Farbwerke Mainkur AG )