Direct Yellow 24
Name:C.I.Direct Yellow 24,C.I.22010
Molecular Structure: Double azo class
Molecular Formula:C25H17N5Na2O6S
Molecular Weight: 561.48
CAS Registry Number:6486-29-9
Manufacturing Methods : 4-(4-Aminophenyl)benzenamine double nitriding, respectively with the 4-Aminobenzenesulfonic acid and 2-Hydroxybenzoic acid coupling.
Properties and Applications: dark red light yellow. Light yellow evenly powder. Soluble in water and ethanol for dark yellow, slightly soluble in acetone. The strong sulfuric acid for wine, diluted for yellow, and the emergence of yellow brown precipitation; In the dark of nitric acid for red yellow light. The dye solution to join strong hydrochloric acid for dark brown; Add thick sodium hydroxide solution for dark orange. Dye cellulose fiber, 75 ~ 80 ℃ affinity when the strongest, discharge performance in general. Dyeing cotton or viscose for red light yellow. Mainly used in viscose fabric, cotton knitted content, flannelette, blankets, viscose/nylon and viscose/silk blended fabric dyeing, not directly printing. Can also be used for paper shelves and leather color.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
ISO | 3-4 | 2-3 | 1-2 | 2 | 2 |
List of Suppliers:
Direct Yellow GGR,Direct Yellow GR
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Ritadirect Yellow CT ( ritas Mensucat Boylari ve )