CBS-X is one excellent whitening agent suitable for the optical brightening of synthetic detergents, scented soap and soaps.  Also, we have special OEM CBS-X could be used in liquid detergents. 

Main Chemical Composition: Stilbene derivative 

Synonyms: Tinopal ATS-X. Optical Brightener CBS-X, Fluorescent Whitening Agent CBS-X, Fluorescent Brightener CBS-X, Tinopal CBS-X, Optical Brightening Agent CBS-X, CAS: 54351-85-8, CAS: 38775-22-3, Fluorescent Brightener 351 

Property: CBS-X is a greenish yellow crystalline powder, soluble in water, anionic type, maximum spectrum absorption at 348-350nm 
C. I. Number: 351 
CAS. NO: 54351-85-8 

Application: Can be used as brightener for detergent, cotton, linen, silk, polyamide fiber, wool and paper. It can be added to any process of any type of detergent. 

Process: 
1. Detergent(powder and paste form): 0.04-0.2% 
2. Liquid detergent: 0.2-0.5% 
Package: 20kg/carton, 25kg/Drum

• ·Masterbatch of optical brightening agent (05-08)
  ·Optical Brightening agent NFW-450(08-25)
  ·Optical Brightening agent ST(07-11)
  ·Optical brightening agent CBS-X(03-25)
  ·Optical Brightening agent BHT-550(04-15)