Fluorescent brighteners/Optical Whitening agent OB-1 (C.I.393)

• Post Date:

  Oct 02,2016

• Expiry Date:

  Oct 02,2017

• Detailed Description:

  Cas No. :1533-45-5 Specs:25kg/fiber drum
  Payment Method: T/T
  Optical Brightener OB-1
  
  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
  
  
  
  
  
  
  
  Structural formula:
  
  
  
  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.
  
  
  
  Storage:
  
  Should be stored in cool and dry place
  

• CAS Registry Number:

  1533-45-5

• 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 Formula:

  C₂₈H₁₈N₂O₂

• Molecular Weight:

  414.4547

• Molecular Structure:

  

• Safety Description:

  S24/25:;
  

• Company:

  Hangzhou Tidesource Chemical Co., Ltd.     [ China ]          

• Contact:

  joanna zhang

• Tel:

  86-571-86627056

• Fax:

  86-571-86733060

• Email:

  zqdeyh123@yahoo.com