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optical brightener YCOB KSN

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  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: 5242-49-9 Fluorescent Brightener KSN

  Company: Yongchang Polymer Additives Co ltd     [ China ]        
  Contact: Mickel
  Tel: +86-20-61876219
  Fax:
  Email: info@chinapolymeradditives.cn
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