- Chemical Name:2,5-Bis(5- tert - butyl- benzoxazol- 2- yl) thiophene
- Functions:Optical Brightener
- CAS Number:7128-64-5
- Chemical Family:Benzotriazoles
- Dye Type:Fluorescent Dyes
OMNISTAB® OB is a high molecular weight optical brightener / fluorescent whitening agent of the thiophenediyl benzoxazole class. It presents blue light in all the polymers of use.