Fluorescent brightener OB-1

Chemical name:2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole
Structural formula:


CAS No.: 1533-45-5

Molecular weight: 414.4

C. I.: 393

Properties:   
     YC fluorescent brightener OB-1 is one superior bisbenzoxazole compound, it is insoluble in water, soluble in high boiling point organic solvents. It is well in heat resistance, move resistance and high temperature tolerance.

Specifications:
      Appearance: Yellowish green powder
      Melting point:359-361°C
      Ash: 0.1%max.
      Volatile Content: 0.5%max
      Assay: 98%
      Particle Size: 300meshes

Application:
      YC 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.

Packing:Packing in 25kg fiber drum. It also can be packed 250kg in big bag or according to the requirement of the customers.