Vat Blue 19
Name:C.I.Vat Blue 19,C.I.59805
Molecular Structure: violanthrone
C.I.Vat Blue 19,C.I.59805,CAS 1328-18-3,456.49,C34H16O2,Indonon Navy Blue BF,Navinon Navy Blue BN
Molecular Formula:C34H16O2
Molecular Weight: 456.49
CAS Registry Number:1328-18-3
Manufacturing Methods : Dinaphtho[1,2,3-cd:3′,2′,1′-lm]perylene-5,10-dione in Nitrobenzene or Chlorosulfonic acid, in fuming sulfuric acid and sulfur presence bromination.
Properties and Applications: red light navy blue. In the basic insurance powder solution for blue purple; In the acidic insurance powder solution for red light brown. Used for cotton fabric dyeing, red for the navy, the cotton direct sex is high, can be used for cotton direct printing, resist printing and discharge printing. Can also be used for viscose fabric and silk fabric dyeing
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 4-5 | 4-5 | 7 | 3 | 4 | 4-5 | 4-5 |
List of Suppliers:
Indonon Navy Blue BF ( Indokem Ltd )
Navinon Navy Blue BN( Indian Dyestuffs Industries Ltd )
Navinon Navy Blue BR( Sunbelt Corporation )