Acid blue 9 for detergent

Product Name: Acid Blue 9
C.I. No.: 42090
CAS No.: 2650-18-2
Molecular Formula: C37H42N4O9S3
Molecular Weight: 787.90

Shade:Colourful green light blue



Properties:
Violet powder, soluble in water, in 90 ºC 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.

Applications:
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.