Optical Brightener OB-1

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