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

Inquiry
  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: 1533-45-5 Fluorescent Brightener 393
  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
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