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Optical Brightening Agent OB

Chemical name: 2,5-bis(5-tert-butyl benzoxazolyl-2’-)thiophene

Formula: C26H26N2O2S
Molecular Weight: 430
C.I. Number: 184
Appearance: slight yellow or milk white powder
Melting Point: 200~202°C
Purity: ≥99.0%
Application: mainly be used in whitening of thermoplastic, polyvinyl chloride (PVC), polypropylene (PP), polyester fiber, paint and ink, etc.
Packing: 25kg per fiber drum

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.

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