Product Clas Optical Brightener Agent For Plastic Product Name Optical Brightener Agent OB Chemical Name 2,5'-Bis[2-(5-tert-buty l-2 benzoxazoly)thiophene CAS No. 7128-64-5 C.I. No. 184 Structural Formula Molecular Formula C26H26N2O2N2 Molecular Weight 430 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.
