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Optical Brightening Agent KSN 2018-08-10T06:40:01+00:00
Fluorescent brightener 368

Optical Brightening Agent KSN | CAS 5242-49-9


  • CAS No.: 5242-49-9
  • EINECS No.: 226-044-2
  • Molecular Formula: C29H20N2O2
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Product Information of Optical Brightening Agent KSN


  • Product Name: Optical Brightening Agent KSN
  • Molecular Mass: 428.48
  • Synonyms: 5-Methyl-2,2′-(vinylenedi-p-phenylene)bis-benzoxazole; Fluorescent Brightener KSN; Fluorescent brightener 368

Specifications of Optical Brightening Agent KSN

Items Specifications
Appearance Bright yellow crystalline powder
Purity ≥ 99%
Melting point ≥ 295 °C
Volatile content ≤ 0.50%
Ash content ≤ 0.10%

Properties of fluorescent brightener 368Properties of Optical Brightening Agent KSN

Fluorescent brightener 368 has a good resistance to high temperature as well as excellent resistance to light. It can be used for high temperature process.

Applications of Optical Brightening Agent KSN

Fluorescent brightener 368 is suitable for the brightening of polyester, polyamide and polyacrylonitrile fibre, and for the brightening of plastics as well.