Optical Brightener OB-1 (FBA 393) CAS 1533-45-5
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Product Description
Product Details
Introduce:
The chemical name of Optical Brightener OB-1 (FBA 393) is 2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole, which is a yellow-green crystal.
Optical Brightener OB-1 is a highly efficient fluorescent brightener for polyester fibers. It is also widely used for whitening and brightening plastics such as PE, PVC, ABS, and PC. It has excellent whitening effect, excellent thermal stability, and very low addition amount.
Specification:
Appearance | Yellow green powder |
Purity | ≥98.5% |
Melting point | 355-360℃ |
Solubility | Insoluble in water, soluble in dichlorobenzene and other high boiling point organic solvents |
Package: 25kg/drum
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