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 .Appearance: greenish yellow powder 2.Melting process: 280-300 度 3.Ash content: 0.5% 4.Purity: 98.0% 5.Volatile content: 0.5% 6.Fineness(300 mesh): 100%
? 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.

CAS NO:5242-49-9

EC NO:226-044-2

Molecular Formula:C₂₉H₂₀N₂O₂

Molecular Weight:428.4813

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 Structure:

CAS NO:5242-49-9

EC NO:226-044-2

Molecular Formula:C₂₉H₂₀N₂O₂

Molecular Weight:428.4813

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 Structure: