OPTICAL BRIGHTENNING AGENT OB is used in coating, which can significantly improve the whiteness of coating,Can maintain the whiteness and vividness of the coating for a long time.Like many layers of canned products, all can use optical brightenning ob.In addition, obs environmental protection effect is good, It has passed the fda certification, it can be used with confidence and is trustworthy.
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%
