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Brief introduction:
Optical Brightener CBS-X (CAS 27344-41-8), also known as Fluorescent Brightener 351, is a type of fluorescent whitening agent commonly used in various industries to enhance the brightness and whiteness of materials. Its chemical name is 4,4′-bis(2-sulfostyryl)biphenyl disodium salt.
Optical Brightener Fluorescent Brightener CBS-X works by absorbing ultraviolet (UV) light and re-emitting it as blue light in the visible spectrum. This optical effect masks the yellowish or grayish tones of materials, making them appear brighter and whiter to the human eye.
Chemical Name: 4,4′-bis(2-sulfostyryl)biphenyl disodium salt.
CAS No: 27344-41-8
Molecular Formula: C28H20Na2O6S2
Molecular Weight:562.564
Package: 25kg/carton, 900kg/pallet
Item | Standard |
Appearance | Yellow green powder or granular |
E-value | 1105-1180 |
Moisture | ≤5% |
Wavelength max absorbance | 348±1nm |
Extinction value | 0.829-0.885 |
Properties:
Fluorescent Brightener CBS-X is a disulfonic distyrylbiphenyll compound, which is the most excellent brightener used in detergent industry, it can be soluble in water easily and has better whitener effect on cellulose fiber, polyamide and protein fiber at room temperature. It has high brighten intensity on cotton cloth as much 2.7 times as bis(triazinylamino)stilbene derivatives, and has well optical blue color monitor, dissolve and disperse properties. It has extremely high stability with hypochlorite sodium; it is a bleaching resistant optical brightener/Fluorescent Brightener.
Application:
Textiles: Optical Brightener CBS-X is widely used in the textile industry to improve the appearance of fabrics. It is added during the manufacturing process or incorporated into fabric finishes. By enhancing the whiteness and brightness of textiles, it helps create a visually appealing and vibrant look.
Detergents and Laundry Products:Fluorescent Brightener CBS-X is commonly used in laundry detergents, fabric softeners, and other laundry products. When applied to fabrics, it absorbs UV light and emits blue light, which enhances the whiteness and brightness of clothes. This effect makes the garments appear cleaner and fresher.
Paper and Paperboard: In the paper industry, Optical Brightener CBS-X is utilized to enhance the brightness of paper and paperboard products. It is added during the papermaking process, offsetting the natural yellowish tint of the fibers and providing a brighter white appearance to the final paper products.
Cosmetics and Personal Care Products: Optical Brightener CBS-X can be found in cosmetic formulations, such as skin creams, lotions, and makeup products. It is used to create a temporary brightening effect on the skin’s surface, providing a visually enhanced and radiant appearance.
Storage Notes: Sealed stored in cold, dry, good ventilated place, avoid high temperature and moist.
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