Vat Violet 15
Name:C.I.Vat Violet 15,C.I.63355
Molecular Structure: anthraquinones
C.I.Vat Violet 15,C.I.63355,CAS 6370-58-7,478.45,C28H18N2O6,Indanthren Corinth RK
Molecular Formula:C28H18N2O6
Molecular Weight: 478.45
CAS Registry Number:6370-58-7
Manufacturing Methods : 1,5-Diamino-4,8-dihydroxyanthracene-9,10-dione in Nitrobenzene or 1, 2 – Dichlorobenzene with Benzoyl chloride condensation.
Properties and Applications: blue light purple. Purple powder. Soluble in Pyridine and Xylene. In concentrated sulfuric acid to blue light green, heating become yellow, purple precipitation after dilution. Alkaline reduction leuco for red brown; Acid reduction leuco for wine. Dyeing cotton in natural light for blue purple, in artificial light source for the red light purple. This product to cotton directness medium, good levelness. In the dyeing fabric before soaping should be in acid dye solution of washing. Used for cotton fabric of reserving, discharge and white discharge printing, also can be used as disperse dye.
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 4-5 | 3 | 6 | 3 | 4 | 3 | 4 |
List of Suppliers:
Indanthren Corinth RK( Bayer Group )