Min. Order Reference FOB Price
200 kg US$31.20 / kg
Product Description
Product Name Optical Brightener OB Chemical Name 2,5'-Bis[2-(5-tert-buty l-2 benzoxazoly)thiophene CAS No. 7128-64-5 C.I. No. 184 Structural Formula Molecular Formula C26H26N2O2N2 Molecular Weight 430 Technical Index Appearance: slight greenish yellow powder Melting ...