optical brightener CAS NO 7128-64-5 CI 393 Product name: 2,5-Bis(5-tert-butylbenzooxazol-2-yl)thiophene Molecular weight: 430 CAS No.: 7128-64-5 C.I. No.: 184 Optical Brightener OB Product name: 2,5-Bis(5-tert-butylbenzooxazol-2-yl)thiophene Molecular weight: 430 CAS No.: 7128-64-5 C.I. No.: 184 Synonyms: UVITEX OB; UVITEX; Fluorescent Brightener 184:1; FBA 184
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