Gold Member Since 2013
Audited Supplier
Hangzhou Emperor Chemical Co., Ltd.

Acid Blue 7, Acid Sky Blue a, Acid Blue Dye manufacturer / supplier in China, offering Acid Blue 7 Acid Sky Blue Dye, Direct Dyes Violet 9 for Paper Dyeing, Direct Dyes Yellow 147 for Paper Dyeing and so on.

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Supplier Homepage Product ACID DYE Acid Blue 7 Acid Sky Blue Dye

Acid Blue 7 Acid Sky Blue Dye

FOB Price: US $5.9-6.2 / kg
Min. Order: 100 kg
Min. Order FOB Price
100 kg US $5.9-6.2/ kg
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Port: Shanghai, China
Production Capacity: 80000mt/Year
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: acid blue 7
  • Appearance: Powder
  • Application Material: Leather
  • Content: 100%
  • Chemical Construction: Amine
  • Trademark: EMPEROR
  • Specification: ACID DYE
  • HS Code: 32041200
  • Colour: Blue
  • Usage: Leather, Textile, Food
  • Name: Acid Blue 7
  • Type: Blue
  • C.I.No.: 42080
  • Transport Package: 25kg/Carton
  • Origin: China
Product Description
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;
Acid Blue 7
SoapingPersperation FastnessOxygen bleachingLight
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.

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