Direct Yellow 52
Name:C.I.Direct Yellow 52,C.I.29096
Molecular Structure: Double azo class
Molecular Formula:C37H28N8Na2O9S2
Molecular Weight: 838.78
CAS Registry Number:61725-04-0
Manufacturing Methods : 7-Aminonaphthalene-1-sulfonic acid diazo, and N-(3-aminophenyl)acetamide coupling, and then make the light gasification.
Properties and Applications: red light yellow. Used for cellulose fiber dyeing, dyeing encounter copper, iron ion colored light basic unchanged.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
ISO | 4-5 | 3-4 | 4-5 | 4 | 4 |
List of Suppliers:
Diphenyl Fast Yellow RL( Geigy Co. Ltd )