Direct Blue 10
Name:C.I.Direct Blue 10,C.I.24340
Molecular Structure: Double azo class
C.I.Direct Blue 10,C.I.24340,CAS 4198-19-0,994.78,C34H22N4Na4O18S4,Direct New Blue G,Brill Blue G
Molecular Formula:C34H22N4Na4O18S4
Molecular Weight: 994.78
CAS Registry Number:4198-19-0
Manufacturing Methods : 3,3′-Dimethoxylbenzidine double nitriding, and 4,5-Dihydroxynaphthalene-2,7-disulfonic acid (2 Moore) coupled.
Properties and Applications: blue. Soluble in water as dark blue, and adequate soluble in alcohol. The strong sulfuric acid for green light blue, red light blue after diluted into. The dye solution to join strong hydrochloric acid as dark blue; Add thick sodium hydroxide solution for violet black.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 5 | 4 | 3 | 1-2 | 2 | ||
| AATCC | 5 | 1 | 1-2 | 3-4 | 1 | ||
List of Suppliers:
Atul Direct New Blue G( Atul Limited )
Pontamine Brill Blue G Conc(Classic Dyestuffs Inc)