Guangzhou Renown Chemical Co.,Ltd

Fluorescent Brightener KSN

• Category :

  Food and Feed additives/High purity reagents

• Synonyms :

  KSN;FLUORESCENT BRIGHTENER-KSN;FBA 368;4.4-bis(5-methyl-2-benzoxoazol)-ethylene;Optical Brightener KSN;2-(4-{2-[4-(1,3-benzoxazol-2-yl)phenyl]ethenyl}phenyl)-5-methyl-1,3-benzoxazole;ethyl (2E,4E)-5-phenyl-2-[(phenylcarbonyl)amino]penta-2,4-dienoate;2-(4-{(E)-2-[4-(1,3-benzoxazol-2-yl)phenyl]ethenyl}phenyl)-5-methyl-1,3-benzoxazole;Optical Brightening Agent KSN;Fluorescent Brightener KS-N;Optical Brightner KSN;

• CAS NO :

  5242-49-9

• EC NO :

  226-044-2

• Molecular Formula :

  C₂₉H₂₀N₂O₂

• Molecular Weight :

  428.4813

• Main Specifications :

  99.5 reagent grade

• InChI :

  InChI=1/C29H20N2O2/c1-19-6-17-27-25(18-19)31-29(33-27)23-15-11-21(12-16-23)8-7-20-9-13-22(14-10-20)28-30-24-4-2-3-5-26(24)32-28/h2-18H,1H3/b8-7+

• Packing :

  2kg/pcs ×5pcs in a carton lined with plastic bag or upon clients' requests.

• Product description :

  Other Names︰	KSN; FLUORESCENT BRIGHTENER-KSN; FBA 368; Optical Brightener KSN;
  EINECS NO︰	226-044-2
  Molecular Formula︰	C29H20N2O2
  Molecular Weight︰	428.4813
  Appearance︰	yellow crystalline powder
  Specification︰	Boiling Point: 578.9°C at 760 mmHg Purity: 99.5% Density: 1.261g/cm3 M.P.: over 300°C Volatiles: ≤0.5% Assay: ≥98% Fineness: over 100 meshes
  Delivery︰	within 15 days after payment
  Payment Terms︰	TT / LC

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  RENOWN - The Chemical Company
  

• Uses :

  Mainly be used in whitening of polyester, polyamide, polyacrylonitrile fiber, the plastic film and all plastic pressing process. Can suitable for synthesizing high polymer including polymeric process.

• Molecular Structure :