SpeedBlock OB-184

SpeedBlock OB-184 is a fluorescent whitening agent, with excellent chemical and thermal stability, for use in ink and coating applications. SpeedBlock OB-184 is recommended for use at concentrations between 0.02 - 5.0%. The actual use level chosen depends on the particular application and end user requirements.

CAS no. 7128-64-5
Chemical name 2,5-bis(5-tert-butyl-2-benzoxazol-2-yl) thiophene