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Fluorescent whitening agent OB-1Chemical name: 2.2'- (4,4'- two styryl) bisbenzoxazoleStructure:CAS number: 1533-45-5EC number: 216-245-3Molecular formula: C28H18N2O2Molecular weight: 414Nature: This product is y…

Fluorescent whitening agent OBChemical name: 2.5- bis (5- tert butyl -2- benzo thiophene)Structure:CAS number: 7128-64-5EC number: 7128-64-5Molecular formula: C26H26N2O2SH9C4Molecular weight: 430Properties: This product …