Optical Whitening Agent Si Liquid Crude

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Product Details:

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.

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:357-361C

                 Assay:     98%

                 Volatiles Content     0.5%max

                 Ash content:     0.50%max