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Optical Brightener OB

Optical Brightener OB
Optical Brightener OB
Product Code : 01
Product Description

Optical Brightener OB

Product Description
  • Optical Brightening Agent OB
  • Chemical name: 2, 5-bis(5-tert-butyl benzoxazolyl-2'-)thiophene
  • Structure: 
  • Formula: C26H26N2O2
  • Molecular Weight: 430 
  • C. I. Number: 184
  • Slight Greenish Yellow Powder
  • Melting Point: 200~202° C 
  • Purity:  98.0% 

Mainly be used in whitening of thermoplastic, polyvinyl chloride (PVC), polypropylene (PP), polyester fiber, paint and ink, etc. 

Package: Packing in 25kg fiber drum with two liners or according to the requirement of the customers.


It needs to be declared that the above data is based on our present knowledge and experience; Owing to too many affecting factors, these data cannot be free from their check and test when processing and using the product.