C.I.Acid Blue 9
C.I.42090,CAS 2650-18-2,787.90,C37H42N4O9S3,
Acid Turquoise Blue AE,Acid Turquoise Blue HE,
Acid Blue E-A,Acid Blue FCF,Acid Blue FG
Molecular Formula:C37H42N4O9S3
Molecular Weight: 787.90
CAS Registry Number:2650-18-2
Manufacturing Methods : 2-Formylbenzenesulfonic acid and 3-(Ethyl(phenyl)amino)methyl)benzenesulfonic acid condensation, oxidation, and then the product into the ammonium salt or sodium salt.
Properties and Applications: colourful green light blue. Violet powder, soluble in water, in 90 ℃ water solubility of 50 g/L, soluble in ethanol. The strong sulfuric acid in orange, dilute yellowish later. The water solution is green light blue dye, add sodium hydroxide after it shows colorless, and you have a deep purple precipitation. Good levelness, white sex is better, for copper, iron ion sensitive, dyeing should pay attention, or influence colored light.
Acid blue 9 mainly used for wool, silk,nylon with wool blended fabric dyeing and printing. Can also be used as a food dyes and organic pigments, also used for paper shading and anti-epidemic field, can also be used in leather color, also used for detergent coloring.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 3 | 2-3 | 3 | 3 | 3 | 3 | ||
| AATCC | 1 | 4 | 4 | 2 | 2 | 3-4 | ||
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