Hangzhou Tidesource Chemical Co., Ltd.

Optical Brightener OB-1

• Category :

  Dyestuffs and Pigments

• 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;

• CAS NO :

  1533-45-5

• EC NO :

  216-245-3

• Molecular Formula :

  C₂₈H₁₈N₂O₂

• Molecular Weight :

  414.4547

• Main Specifications :

• InChI :

  InChI=1/C28H18N2O2/c1-3-7-25-23(5-1)29-27(31-25)21-15-11-19(12-16-21)9-10-20-13-17-22(18-14-20)28-30-24-6-2-4-8-26(24)32-28/h1-18H/b10-9+

• Packing :

  25kg/Cardboard drum

• Product description :

  Specifications Product name:Optical Brightener OB-1 Appearance:Greenish yellow granules Synonyms: 2,2'-(1,2-ethenediyldi-4,1-phenylene)bisbenzoxazole; Fluorescent Brightener OB-1; Fluorescent Brightener 393; 2,2-(4,-4`-Vinyl Biphenyl)Dual Benzoxazole CAS No.:1533-45-5 Structural No.: C.I.393 Molecular formula: C28H18N2O2 Molecular weight: 414.4 Appearance: Greenish yellow granules Melting point:353-359oC Assay:99% min Package: Packed in 25kgs fiber drum with double PE liners, or according to customers' request. Applications:Optical Brightener OB-1 is the best whitening agent for polymer fiber,and it is also widely used in plastics,such as PP,ABS,PS,HIPS,PA,PC,EVA,rigid PVC etc.

• Molecular Structure :