Appearance Light yellow-green powder Melting point 219-221°C Content ≥99.0% Mainly used for whitening of PVC series,has especially effictive whitening and brightening for soft PVC,such as films.

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:

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: