Product Name
Optical Brightener OB-1
Product Code
OB-1
CAS No.
1533-45-5
Chemical Name
2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole
Formula
C28H18N2O2
Molecular Weight
414.46
Specification
Appearance:yellow-green powder
Melting Point:350℃ Min
Loss on drying:0.5%Max
Ash Content:0.3%Max
Assay: 98.0% Min.
Transmittance:≥90.0%(450nm);
≥93.0%(500nm)
Packing
25kg/drum or 25kg/carton
Application
1. Suitable for whitening polyester fiber, nylon fiber, polypropylene fiber and so on.
2. Suitable for whitening and brightening of polypropylene plastics, hard PVC, ABS, EVA, polystyrene, polycarbon
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