Acid Blue 7 Acid Sky Blue Dye

Product Name: Acid Blue 7
C.I. No.: 42080
CAS No.: 3486-30-4
Molecular Formula: C37H35N2NaO6S2
Molecular Weight: 690.81
 
Shade: Colourful green light blue
 
Relative name: Acid Sky Blue A;Patent Blue A;Youhaotracid Blue GS;AACL Patent Blue AS 250%;
ABCOL Patent Blue A Conc;Acid Turquoise Blue A;Acid Turquoise Blue A;Acid Turquoise Blue 2G; 
Properties:
Blue powder. Soluble in water, but soluble in ethanol is blue. The strong sulfuric acid are olive green, yellow precipitation after diluted. A transparent green light blue aqueous solution at room temperature without gathered tendency, add sodium hydroxide subject to change after cooling,heated to boiling color from blue to violet precipitate.
 
Applications:
In dyeing copper and iron ions become dark green color. For heavy chromate salt not sensitive. For wool, silk and polyamide fiber fabric dyeing and printing, and can also be used in leather, paper, cosmetics, soap, biological and rubber color.
 

FOR MORE INFORMATION, CHECK OUR WEBSITE, WWW.CHINAINTERDYES.COM
 

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