Name:C.I.Acid Blue 9,C.I.42090
Molecular Structure: triarylmethane class
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. This product 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.
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 | ||
