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.