Sell Optical Brightening Agent OB

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Chemical name: 2,5'-Bis[2-(5-tert-buty l-2 benzoxazoly) thiophene
7 Structural No: C. i 184
7 CAS NO: 7128-64-5
7 Structural formula:
7 Molecular formula: C26H26N2O2N2
7 Molecular weight: 430
7 Technical index: Appearance:slight greenish yellow powder
Melting Point:200-2020C
7 Uses: Mainly be used in whitening of thermoplastic, polyvinyl chloride(PVC) , polypropylene(PP) , polyester fiber, paint and ink, etc