Origin	China
Model Number	C.I. 351

Product name: Optical Brightener CBW
Formula: C28H20S2O6Na2

Mocular Weight: 562.60 (As International relative Atom Mass 1997)

Specification: appearance: Pistachio syrup

                       Max UV absorption wavelength, nm:348±1

                       1% Extinction coefficient : 552-590

                       Extinction value : 0.415-0.442

                       Smell: no special smaell

PROPERTY:

    Optical Brightener CBW is disulfonic distyrylbiphenyl biphenyl compound, It is nionie chemical compound. It's advantages is as follow:
    1.Strong whiten effect with little amount.
    2.High stability ,and resistence to bleaching of chloride,oxygen and strong acid and alkali.
    3.Fast whitening speed,it can make fabrics get highly whiten effect within 5-10 minutes.
    4.Well sunlight renitence and well sweat resistence.
    5.We11 accumulation effect, the whiten effect will be increased after washing many times.
    6.It is safe and nontoxic, it is easy to be biodegradation and has no dangerous to human. It is one environmentally friendly products.

APPLICATION:
    Widly used in detergent and soap industry, bleach and pigment industry. Especially used in detergent, soap, whiten soap, washing syrup, fabric soften agent and fabric trim agent.
PROCEDURE:
    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:0.01-0.06% Soap:0.02-0.10%
    Concentrated washing powder: 0.02-0.10% Soft agent of fabric fiber:0.02-0.08%
    liquid detergent:0.02-0.06% Washing syrup: 0.01-0.04%