Sell Optical Brightener OB-1 (C. I.393)

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Optical Brightener OB-1 (C. I.393)
Chemical name:2,2'-(1,2-Ethenediyldi-4,1-phenylene) bisbenzoxazole
Structural formula:
Molecular weight: 414.4
CAS No. : 1533-45-5
C. I. :393
Properties: PR Optical 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.
Appearance: Yellowish green powder
Melting point: 359-3610C
Ash: 0.1%max.
Volatile Content: 0.5%max
Assay: 98%
Particle Size: 300meshes

PR Optical 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.

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