China optical brightener OB factory and manufacturer supply Optical Brightener OB 184 for plastics,CAS NO.7128-64-7,melting point:200-202°C ,it has two different grades,one is for ink,pink and PE film,another is for all kinds of plasics,such as thermoplastic, polyvinyl chloride(PVC), polypropylene(PP), polyester fiber,coatings etc .
Product Cate：Optical Brightening Agent For Plastic
Product Name：Optical Brightening Agent OB
Chemical Name：2,5'-Bis[2-(5-tert-buty l-2 benzoxazoly)thiophene
CAS No.：7128-64-5
C.I. No.：184
Molecular Formula：C26H26N2O2N2
Molecular Weight：430
Appearance:slight greenish yellow powder
Melting Point:200-202°C
Purity:≥99%
Uses：Mainly be used in whitening of thermoplastic, polyvinyl chloride(PVC), polypropylene(PP), polyester fiber, paint and ink, etc.
