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Fluorescent Brightener OB-1
Category : Dyestuffs and Pigments
CAS NO : 1533-45-5 EC NO : 216-245-3 MF : C28H18N2O2 MW : 414.4547 Packing : 25kg/cardboard drum Product description : Appearance Yellow-green powder Melting point ≥359°C Content ≥98.0% Best brightening property,suitable for process of various plastic.especially suitable for whitening and brightening process of PET spinning,PP&PE prill,wire drawing,and PVC section bar. Synonyms : Fluorescent Brightener OB-1;FBA393；2,2'-(4.4'-diphenol vinyl)di-henzoxazol ;2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole;FBA 393;4,4'-bis(benzoxazol-2-yl)stilbene;Optical Brightener OB-1;C.I. 393;Fluorescent whtening agent OB-1;Fluorescent Whitening Agent OB-1;2,2'-(ethene-1,2-diyldibenzene-4,1-diyl)bis(1,3-benzoxazole);2,2'-[(E)-ethene-1,2-diyldibenzene-4,1-diyl]bis(1,3-benzoxazole);Optical Brightening Agent OB-1;Optical Brightner OB-1;ptical Brightening Agent OB-1;4,4-Bis(2-Benzoxazolyl) Stilbene; Molecular Structure : 
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