BX OBA OB
Optical Brightener OB, Uvitex/Tinopal OB Chemical Name: 2,5-Thiophenediylbis(5-tert-butyl-1,3-benzoxazole) Formula C26H26N2O2S MW 430 CAS# 7128-64-5 Synonym Name: Uvitex Ob, Tinopal OB, Fluorescent Brightener 184 (FB 184) , c.i.184, Fluorescent Brightener OB Specification: Appearance Slight greenish yellow powder Dosage 0.01-0.05% Melting point 196-200℃ Purity ≥99% Solubility (g/100 g solution) at 20° C: Acetone 0.5 Chloroform…