Molecular Formula: C28H20S2O6Na2

　　Molecular Weight: 562.60(As International relative Atom Mass 1977)

　　Max UV Absorption Spectrum:348nm±1

　　Properties:

　　Optical Brightener CBS-L is a liquid formulation of a disulfonic distyrylbiphenyl fluorescent whitening agent, which is one of the best optical brightener used in synthetic fiber, and cellulose fabric poly-imides and proteinic fiber, It can be mixed with water at any propotion and has a satisfactory effect when use in Washing powder, Soap and Washing syrup. It is safe, toxic free and dust free, and can be added in any procedure of the preparation of sythetic detergent. It has a high stablity and resistance to the bleaching of chloride, oxygen and strong acid.

　　Applications:

　　Used in detergent and soap industry, bleach and pigment industry.

　　Procedures:

　　It can be added in any procedure of the process of synthetic detergeng and soap and the recommended dosage as following:

　　Common washing powder: 0.02-0.12% soap: 0.02-0.10%

　　Concentrated washing powder: 0.02-0.14% washing syrup: 0.01-0.04%

　　Liquid detergent: 0.02-0.06% Fabric fiber: 0.02-0.08%

　　Packing: 25kg, 50kg or 200kg in plastic drum.

　　Transportation: Avoid upside down, sunlight, crash and avoid damage the package.

　　Storage: Should be stored in cool, dry and ventilate place. The stored term should be 6 months. If there be a little deposition appeared in the stored term or at lover temperature ,there has any effect on usage and will be dissolved at 70-90ºC.