Optical Brightener OB

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Optical Brightener OB
Posting date : Jun 20, 2011
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32-
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Chemical name: 2,5'-Bis[2-(5-tert-buty l-2 benzoxazoly)thiophene CAS No.:7128-64-5 Structural No.:C.I.184 Molecular formula:C26H26SO2N2 Molecular weight:430 Appearance:slight greenish yellow powder Melting Point:200-202℃ Assay:99% min Applications:Optical brightener OB is mainly be used in whitening of thermoplastic, polyvinyl chloride(PVC), polypropylene(PP), polyester fiber, paint and ink, etc. Package: Packed in 25kgs fiber drum with double PE liners, or according to customers' request.

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