Introduction

Fluorescent brightener OB (C.I.184)
Chemical name: 2.5-bis(5-tert-butyl-2-benzoxazolyl)thiophene
CAS Number:7128-64-5
Structural formula:
Molecular formula: C26H26SO2N2
Technical conditions:
Appearance: Bright yellow crystal powder
Melting point: 198-201℃
Content: ≥99.0%
Use:It is used in thermoplastic plastics. PVC, PE, PP, PS, ABS, SAN, SB, CA, PA, PMMA, acrylic resin. polyester fiber paint, coating the brightening of printing ink.
Packing: 25kg/fiber drum.