Direct Yellow 51
Name:C.I.Direct Yellow 51,C.I.29030
Molecular Structure: Double azo class
Molecular Formula:C37H28N6Na4O13S4
Molecular Weight: 984.87
CAS Registry Number:
Manufacturing Methods : 3-Aminonaphthalene-1,5-disulfonic acid diazo, and 2,5-Dimethylbenzenamine coupling, and then make the light gasification.
Properties and Applications: yellow. Soluble in water for yellow. The strong sulfuric acid is a deep in the red, blue black after diluted precipitation. Used for cellulose fiber fabric dyeing and printing, paper color. Levelness is very good.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
ISO | 3-4 | 4 | 5 | 2 | 1-2 |
List of Suppliers:
Pyrazol Yellow RW( Classic Dyestuffs Inc )