2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole CAS NO.1533-45-5

Optical Brightening Agent OB-1 Chemical name: 2,2’-(1,2-Ethenediyldi-4, 1-phenylene)bisbenzoxazole Structure: Formula: C28H18N2O2 Molecular We…

Optical Brightening Agent OB-1 Chemical name: 2,2’-(1,2-Ethenediyldi-4, 1-phenylene)bisbenzoxazole Structure: Formula: C28H18N2O2 Molecular Weight: 414.4 C.I. Number: 393 Appearance: greenish yellow powder Melting Point: 359°C Purity: ≥98.0% Application: mainly be used in whitening of polyester and plastic, as well in whitening of Nylon during polymerization. Packing: 25kg per fiber drum