China Direct Blue 2B suppliers
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China Direct Blue 2B suppliers

MST® China Direct Blue 2B suppliers is a blue powder, a direct dye soluble in water. MST® China Direct Blue 2B suppliers is reddish green when exposed to concentrated sulfuric acid. After dilution, it becomes greenish blue with green precipitation. It dyes cellulose fiber fabrics, has poor dye exhaustion and is slightly sensitive to hard water. Milestone Industrial Co. Ltd. is a manufacturer specializing in the production of dyes. The normal MST® China Direct Blue 2B suppliers has stable performance and excellent dyeing effect, which is well received by users.As the professional manufacture, we would like to provide you China Direct Blue 2B suppliers. And we will offer you the best after-sale service and timely delivery.

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Product Description

MST® China Direct Blue 2B suppliers

So that you can supply you with comfort and enlarge our company, we also have inspectors in QC Workforce and guarantee you our greatest service and item for Factory best selling China MST® China Direct Blue 2B suppliers, We warmly welcome friends from all walks of existence to cooperate with us.
Factory best selling China Direct Blue,  MST® China Direct Blue 2B suppliers, Our aim is to help customers to make more profits and realize their goals. Through a lot of hard work, we establish a long-term business relationship with so many customers all around the world, and achieve win-win success. We will continue to do our best effort to service and satisfy you! Sincerely welcome you to join us!

MST® China Direct Blue 2B suppliers is a blue powder, a direct dye soluble in water. MST® China Direct Blue 2B suppliers is reddish green when exposed to concentrated sulfuric acid. After dilution, it becomes greenish blue with green precipitation. It dyes cellulose fiber fabrics, has poor dye exhaustion and is slightly sensitive to hard water. Milestone Industrial Co. Ltd. is a manufacturer specializing in the production of dyes. The normal China Direct Blue 2B suppliers has stable performance and excellent dyeing effect, which is well received by users.

 

China Direct Blue 2B suppliers

C.I.: Direct B-6

CAS Number: 2602-46-2

Molecular formula: C32H20N6Na4O14S4

Molecular weight: 932.77

EINECS number: 220-012-1

Appearance: Blue Powder

Strength: 100%

Purpose of China Direct Blue 2B suppliers:

1) China Direct Blue 2B suppliers can be used for dyeing cotton, viscose and silk fabrics;

2) China Direct Blue 2B suppliers is used for the dyeing and printing of viscose silk fabrics. It is also used for the dyeing of viscose fabrics, cotton knitted fabrics and twisted silk. It must not be dyed in dark colors and must be treated with a fixing agent after dyeing.

3) China Direct Blue 2B suppliers can also be used for dyeing silk fabrics, and can be combined with direct light fast yellow to form light fast green;

4) China Direct Blue 2B suppliers can also be used for the dyeing of leather and paper and the dyeing of soap and detergent.

   

Synthesis method of Direct Blue 2B:

China Direct Blue 2B suppliers is obtained by sulfonating copper phthalocyanine blue with fuming sulfuric acid, diluting, filtering, ammonolysis, and finally salting out and filtering.

Storage method of China Direct Blue 2B suppliers:

 China Direct Blue 2B suppliers should be stored in a sealed container, stored in a cool, dry place, and ensure that the workplace has good ventilation or exhaust.


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