mainly be used as optical brightener for polyester and plastic, as well in whitening of Nylon during polymerization.

Optical Brightener OB-1

Chemical name: 2,2-(1,2-Ethenediyldi-4, 1-phenylene)bisbenzoxazoleFormula: C28H18N2 O2

Molecular Weight: 414.4

C.I. Number: 393

CAS Number:   1533-45-5 

Appearance: greenish yellow powder

Melting Point: 359oC

Purity: ≥98.0%

Application: mainly be used in whitening of polyester and plastic, as well in whitening of Nylon during polymerization.

Attention:

The above information is just for reference. Customers shall adjust the formulations according to actual requirements.

Optical brightener OB-1