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Acid Blue 7(CAS 3486-30-4)

Acid Blue 7

Name:C.I.Acid Blue 7,C.I.42080

Molecular Structure: triarylmethane class

 

C.I.Acid Blue 7,C.I.42080,CAS 3486-30-4,690.81,C37H35N2NaO6S2,Acid Turquoise Blue A,Acid Turquoise Blue 2G,Acid Sky Blue A

Molecular Formula:C37H35N2NaO6S2

Molecular Weight: 690.81

CAS Registry Number:3486-30-4

Manufacturing Methods : 4-Formylbenzene-1,3-disulfonic acid and N-benzyl-N-ethylbenzenamine (2 Moore) condensation and oxidation.

Properties and Applications: colourful green light blue. 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. 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.

Standard

Light Fastness

Soaping

Persperation Fastness

Oxygen bleaching

Fastness to seawater

Fading

Stain

Fading

Stain

Fading

Stain

ISO

2

3

3-4

3

2

2-3

3

3

AATCC

1

3

3

3

2

2

3

2

 

 

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