Home | Product | Optical Brightener CBS-X Optical Brightener CBS-X Technical Parameter CAS No.: 27344-41-8 Molecular Formula: C28H20Na2O6S2 Packaging: 25KG/Cardboard Drum Items Specifications Max absorption Wavelength 348±1nm 1% extinction Value 1105-1181 Appearance Light yellow granular/powder Moisture 5% Max Application It is used in detergent industry such as synthetic washing powder, soap, toilet soap, etc. Storage Keep container tightly closed and dry. Store in a cool place. Shelf Life 1 year. Related Certificates REACH Registration, ISO-9001 Certificate.