Direct Yellow 17
Name:C.I.Direct Yellow 17,C.I.18855
Molecular Structure: Single azo,Benzothiazole class
Molecular Formula:C31H20N6Na2O7S4
Molecular Weight: 762.77
CAS Registry Number:6537-65-1
Manufacturing Methods : C.I. Direct Yellow 59 (C.I. 49000) diazo, and 2-(2-(4Aminophenyl)benzo[d]thiazol-6-yl)-6-methylbenzo[d]thiazole-7-sulfonic acid coupling.
Properties and Applications: red light yellow. Soluble in water for red light yellow. The strong sulfuric acid for yellow, diluted precipitation for orange. The dye solution to join hydrochloric acid as the fluorescent orange yellow precipitation; Add sodium hydroxide is dark.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
ISO | 5 | 3 | 2-3 | 2 | 2-3 |
List of Suppliers:
Atul Direct Golden Yellow ( Atul Limited )