optical brightener CBS-X 351

optical brightener CBS-X 351

Chemical name: 4,4'- bis (2- sulfonate sodium styrene) biphenyl
Molecular formula: C28H20Na2O6S2
Molecular weight: 562.5643
CAS: 27334-41-8
Properties: Fluorescent whitening agent CBS-X is the best whitening agent in the detergent, the appearance of yellow-green uniform powder or particles, soluble in water, a slightly cyan color, bleaching resistance.
Technical indicators:
Standard: HG/T 3726-2010
Appearance: yellowish green, uniform powder or granule.
Chromatic light: blue violet light
Smell: tasteless.
Whitening intensity: standard product 100 + 5
Water content: less than 5%
UV absorption: 1108-1181
Performance characteristics:
1. in cold water and warm water, it has high whitening effect on cellulose fibers.
2. repeated washing will not make the fabric yellowed or discolored.
3. excellent stability in super concentrated liquid detergents and heavy scale fluid detergents.
4. excellent resistance to chlorine bleaching, oxygen bleaching, strong acid and alkali.
5. no toxic side effects.
Scope of application:
It is mainly used for the whitening of synthetic detergents, soaps and soaps, cotton and linen nylon wool and paper, cotton, polyester and cotton blended fabrics and one-bath whitening of cotton blended fabrics, and widely used in detergents, bleaching, paper making, dyeing and other industries.
Methods of application:
Fluorescent whitening agent CBS-X can be added to any type of washing process such as dry mixing, spray drying, agglomeration and spray mixing. Dosage: 0.1 to 0.5%.
Packaging and storage: 25kg cardboard drum packaging, in a cool, dry place to avoid light preservation.

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