Optical Brightener OB
Detailed Description
Optical Brightener OB
Chemical Name 2,5'-Bis[2-(5-tert-buty l-2 benzoxazoly) thiophene
CAS No. 7128-64-5
C.I. No,184
Technical Index Appearance: slight greenish yellow powder
Melting Point:200-202
Purity; 99%
Uses: Mainly be used in whitening of thermoplastic, polyvinyl chloride(PVC), polypropylene(PP), polyester fiber, paint and ink, etc.
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