optical brightener YCOB KSN

• Post Date:

  Feb 23,2017

• Expiry Date:

  Feb 23,2018

• Detailed Description:

  Cas No. :5242-49-9 PRODUCT NAME: 4.4-bis(5-methyl-2-benzoxoazol)-ethylene
  
  Other name:
  
  2-[4-[2-[4-(2-benzoxazolyl)phenyl]ethenyl]phenyl]-5-methyl-benzoxazol
  2-[4-[2-[4-(2-benzoxazolyl)phenyl]ethenyl]phenyl]-5-methyl-Benzoxazole
  5-Methyl-2-[4-[2-[4-(2-benzoxazolyl)phenyl]ethenyl]phenyl]benzoxazole
  Benzoxazole,2-[4-[2-[4-(2-benzoxazolyl)phenyl]ethenyl]phenyl]-5-methyl-
  2-[4-[4-(2-benzoxazolyl)styryl]phenyl]-5-methylbenzoxazole
  5-methyl-2,2'-(vinylenedi-p-phenylene)bis-benzoxazole
  4-(2-BENZOXAZOLYL)-4'-(5-METHYL-2-BENZOXAZOLYL)STILBENE
  Fluorescent Brightener KS-N
  KSN
  2-[4-[2-[4-(benzoxazol-2-yl)phenyl]vinyl]phenyl]-5-methylbenzoxazole
  5-METHYL-2,2'-(1,2-ETHENEDIYLDI-4,1-PHENYLENE)-BISBENZOXAZOLE
  2-[4-[2-[4-(Benzoxazol-2-yl)phenyl]vinyl]phenyl]-5-methylbenzoxazol
  2-{4-{2-[4-(2-Benzoxazolyl)-phenyl]-vinyl}-phenyl}-5-methylbenzoxazole
  4-BIS(5-METHYL-2-BENZIAZOLYL)ETHLENE,99.5+%
  4-(Benzoxazol-2-yl)-4'-(5-methylbenzoxazol-2-yl)stilbene
  OPTICAL BRIGHTENER 368
  FBA 368
  Optical Brightener KSN
  KSNFluorescent Brightener
  2-(4-(4-(Benzo[d]oxazol-2-yl)styryl)-phenyl)-5-methylbenzo[d]oxazole
  2-(4-{2-[4-(1,3-Benzoxazol-2-yl)phenyl]ethenyl}phenyl)-5-methyl-1,3-benzoxazole, 5-Methyl-2,2'-[ethene-1,2-diyldibenzene-4,1-diyl]bis(1,3-benzoxazole)
  4-(1,3-Benzoxazol-2-yl)-4'-(5-methyl-1,3-benzoxazol-2-yl)stilbene
  
  C.I. Number: 368
  Specification:
  Properties Specifications:
  APPEARANCE Yellow crystal powder
  MELTING POINT ≥295℃
  PURITY: 99% min
  ASH 0.1% max
  VOLATILE MATTER 0.5% max
  MESH SIZE passing 120 mesh
  SOLUBILITY insoluble in water, soluble in ordinary organic solvent
  Properties : toluylene bis-benzimidazolone type compound, The fluorescent brightener-KSN belongs to benzothiazole compound. Its appearance is yellow crystal powder.Its melting point is 278℃. It does not dissolve in water,and has no smell. Its performance is stable.
  
  1. being highly whiteness with small usage.
  2. multipurpose used for whitening of polyester fiber and plastic.
  3. having a good compatibility and good fastness to light and sublimation. Can be used for high temperature process.
  Application: 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. Application dosage: according to ratio 0.01-0.05%.
  
  Package and Storage: 5Kg Carton, 20Kg fiber drum lined with double plastic bags can also be packaged according to customer requirements.keeped in a cool and dry place and keep away from the sunlight,the period of storage is two years.

• CAS Registry Number:

  5242-49-9

• 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;

• Molecular Formula:

  C₂₉H₂₀N₂O₂

• Molecular Weight:

  428.4813

• Molecular Structure:

  

• Company:

  Yongchang Polymer Additives Co ltd     [ China ]        

• Contact:

  Mickel

• Tel:

  +86-20-61876219

• Fax:

• Email:

  info@chinapolymeradditives.cn