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.
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