Acid Blue 7, CAS 3486-30-4

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

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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 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
CAS No.	3486-30-4
Specification
Shade	Similar With Standard
Strength	100%
Appearance	Dark Blue Powder .
Moisture %≤	2.0
Insoluble Matter %≤	0.3
Properties	Very soluble in water and alcohol

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