Chemical Name 2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole
Molecular Formula       C7H5O4SNa
Molecular Weight         414.4
Structure         

CAS Number    1533-45-5
 
Specification     Appearance:       Yellowish green powder
                    Melting point:        357~361°C
                    Assay:       98%
                    Volatiles Content    0.5%max
                    Ash content:          0.50%max
 
Packing            25 kg / PE drum
 
Applications     Fluorescent brightener OB-1 mainly used in plastic material such as PVC, ABS, EVA, PS, etc. It also widely used in variety of polymer substance, especially polyester fiber, PP fiber.