Geenish yellow powder,melting piont 359C,purity is more than 98% Be used in whitening of polyester, nylon fiber and plastic

Chemical name:2,2-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole

Structure type: Stilbenylbisbenzoxazoles

Formula:C28H18N2O2

Molecular Weight:414.4

C.I. Number:393

CAS Number:1533-45-5

Functions and Characteristic:

1.High intensity of whitening, have strong fluorescence.

2.A wide range of applicability, mainly be used in whitening of polyester, nylon fiber and plastic.

3.Have a high ability of temperature resistance, do not decompose within 375,sun resistance rating is 5.

Application:

1.For the processing of polyester, nylon fiber and PET.

2.For the whitening of all kinds of plastics, such as polypropylene plastic, hard PVC,ABS,EVA,PSand PC.

3.Can be add in the conventional aggregation of polyester and nylon

Optical Brightener OB-1