Product name:Fluorescent Brightener OB Appearance:slight greenish yellow powder Assay:99% min M.P.:200-202 degree celsius

Chemical name: 2,5'-Bis[2-(5-tert-buty l-2 benzoxazoly)thiopheneCAS No.:7128-64-5Structural No.:C.I.184Molecular formula:C26H26SO2N2Structural formula:

Molecular weight:430Appearance:slight greenish yellow powderMelting Point:200-202oCPurity:99% minApplications:Fluorescent Brightener OB is mainly used in whitening of thermoplastic, polyvinyl chloride(PVC), polypropylene(PP), polyester fiber, paint and ink, etc. Package:Packed in 25kgs fiber drum with double PE liners, or according to customers' request.

Fluorescent Brightener OB(Optical] Whitening Agent OB)