Acid Blue 7

Product Name: Acid Lake Blue A


C.I. Name: Acid Blue 7

CAS No.: 3486-30-4

Application: Used for dyeing ink, wool, silk, nylon and paper

Product Detail

Product Tags

Acid Blue 7 CAS 3486-30-4 is a kind of Blue powder acid dyes. It is easily soluble in cold water and hot water. The aqueous solution is green and blue. When sodium hydroxide solution is added, it turns from blue to purple when boiling. Acid blue 7 is blue after soluble in ethanol and turns yellow after dilution.

Acid Blue 7 Usage:
Acid Lake Blue A can be used for dyeing wool, silk, nylon and direct printing of wool and silk fabrics with good levelness and bright color. Acid blue 7 can be combined with acidic light yellow 2G to dye bright fruit green and emerald green, and can also be combined with dyes such as navy blue and red to increase the dyeing brightness. It can also be used for coloring ink,leather, paper, cosmetics, soap, biological products and making lake pigments.

 acid blue 7 price

Acid Blue 7 Specification

» Product name: Acid blue 7

» Type: Acid Dyes

» CAS NO.: 3486-30-4

» MF: C37H37N2NaO6S2

Acid Blue 7 Physical Propertie

Basic Information

Product Name

Acid Lake Blue A

Colour Index 

C.I. acid blue 7





Similar With Standard
           Strength 100%


Dark Blue Powder .
        Moisture %≤ 2.0

Insoluble Matter %≤



Very soluble in water and alcohol

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We are in dyes field for 28 years, specialized in producing rhodamine b dye, sulphur black, solvent red dyes and cationic blue dyes, welcome your inquiry if you need any dyes.


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