Direct Green 60
Name:C.I.Direct Green 60,C.I.22315
Molecular Structure: Double azo class
Molecular Formula:C29H18N5Na3O10S2
Molecular Weight: 729.58
CAS Registry Number:6426-56-8
Manufacturing Methods : 4-(4-Aminophenyl)benzenamine double nitriding, first coupled with 2-Hydroxybenzoic acid, and then in acid conditions and 4-Amino-5-hydroxynaphthalene-1,7-disulfonic acid coupling.
Properties and Applications: dark yellow light green. Soluble in water for red light brown, not soluble in alcohol. The strong sulfuric acid in the navy for, for the shallow blue light gray after diluted. Dye with strong hydrochloric acid solution for dark blue light green, precipitation; Add thick sodium hydroxide solution for purplish red color, have precipitation.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
ISO | 4-5 | 4 | 3-4 | 3-4 | 4 |
List of Suppliers:
Diamine Nitrozol Green G( Carbotex Consultants )