Acid Blue 45

Acid Blue 45 appearance is blue powder, soluble in water, slightly soluble in ethanol, soluble fiber element, insoluble in acetone, benzene, carbon tetrachloride. The strong sulfuric acid dyes for olive yellow, blue purple to dilute. White sex differences, dyeing copper ions in dark colored light hair, dark colored light iron ion in red.

TRADE NAME:Acid Brilliant Blue B,Fast Blue B,Acid Light Blue B,Acid Blue 45 JMTSC-020720,Acid Blue B,Acid Brilliant Blue B,Akacid Fast Blue B 200%,Acid Brilliant Blue GS,AACL Fast Blue B 200%

Key Properties

• High water solubility for easy application
• Strong bonding with wool, silk, and nylon
• Brilliant blue shade with good brightness
• Stable performance in acidic dye baths
• Good leveling and penetration properties
• Suitable for textile, leather, and ink applications

Technical Specifications

• ‍CAS NO: 2861-02-1
• CI.NO: 63010
• Molecular Formula: C14H8N2Na2O10S2
• Molecular Weight: 474.33
• Shade:Blue‍

Application Features

Colour Fastness Test

Application:

This product used for wool, silk, wool blended fabric, paper, leather, soap and cosmetics shading, its heavy metal salt can be used as organic pigment ink. This product has high in dyeing move color sex and good permeability.

Acid Blue 45 Use condition:

• ‍1. Mainly used for dyeing and printing wool, silk, nylon and blended fabrics, and also for coloring paper, leather, soap and cosmetics.
• 2. Wool dyeing should be carried out in a strong acid bath. The pH value of the dyeing solution should be adjusted to below 3.5. Yuanming powder can be used as a retarding agent to improve levelness; silk and nylon dyeing should be carried out in an acetic acid bath.
• 3. When the wool is dyed in the same bath as the various fibers, the silk is lighter in color and the cellulose fibers are not stained.
• 4. When dyeing, the copper ion color is dark, and the iron ion color is red and dark.‍

FAQ

How does Acid Blue 45 perform in terms of color fastness?

It provides good wash and light fastness under standard acidic dyeing conditions, ensuring long-lasting color on fabrics.

Can Acid Blue 45 be used in blends with other dyes?

Yes, it blends well with other acid dyes to create customized shades and maintain even color distribution across fibers.

Is Acid Blue 45 suitable for high-temperature dyeing?

It performs effectively in conventional acidic dye baths at moderate to high temperatures, ensuring uniform penetration.

What makes Acid Blue 45 preferable for silk and wool?

Its high affinity to protein fibers ensures vivid shades, even dye uptake, and durability, which are essential for delicate fibers like silk and wool.