Product Name: Optical Brightener CBS-X

Chemical Name: 4,4-Bis (2-Disulfonic Acid Styryl) Biphenyl

CAS No.: 27344-41-8

C.I.No: 351

Formula: C₂₈H₂₀S₂O₆Na₂

Molecular Weight: 562.60

Descriptions:

Optical Brightener CBS-x is twin cinnamene biphenyl. It is most excellent brightener used in detergent industry. It is soluble in water, and has as much 2.7times brightened effect on cotton cloth as Diphenylethylene twin triazine derivatives and has well optical blue color and dissolved dispersion. It has extremely high stability with hypochloride sodium, it is one bleaching resistant optical brightener.

Specifications:

Appearance:                   Yellowish or yellowish green crystal powder

E (1% /cm):                    1105-1181

Indissoluble substance:          0.5%max

Solubility in water   :            25C 25g/l 
70C 100g/l
95C 300g/l

max in ultra-violet range:          348-350nm

Ionic character:                  anion

Applications:

Mainly used in detergent industry and soap industry. It is mainly used to whiten and brighten top quality synthesis watering-powder, superconcentration liquid detergent, also used to whiten and brighten soap and perfumed soap.

Recommended use:

1.It can be added in any procedure of the process of synthetic detergent and soap. It can get excellent effect if used together with optical brightener 31#.

2.Recommended dosage is as follow:

Common washing powder:0.005-0.03%

Soap:0.01-0.05%

Concentrated washing powder:0.01-0.05%

Soft agent of fabric fiber:0.01-0.05%

Liquid detergent :0.02-0.06%  

Washing syrup:0.005-0.02%

Packing: 25kg cardboard drum ,inner plastic bag.