Fluorescent Brightener OB 2,5-Di(5-tert-butylbenzoxazol-2-yl)thiophene CAS:7128-64-5
Product Name |
Optical brightener OB; 2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene |
CAS No. |
7128-64-5 |
M.F |
C26H26N2O2S |
Appearance |
Slight greenish yellow powder |
Appearance |
Slight greenish yellow powder |
Melting point |
200-202℃ |
Purity |
99%min |
Volatile content |
0.5%max |
Ash content |
0.5% max |
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