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Optical Brighter KSN / fluorescent whitening agent / fluorescent brightener

  • CAS No.: 5242-49-9
  • Purity: 99%
  • Weight: 428.48
  • Formula: C29H20N2O2
  • Place of Orign: Nanjing,Jiangsu,China
Ms.Emily Shen

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Item specifics

  • Product Name.:Optical Brighter KSN / fluorescent whitening agent / fluorescent brightener
  • CAS No: 5242-49-9
  • Weight: 428.48
  • Formula: C29H20N2O2
  • Melting Point: 269℃~271℃
  • Boiling Point: 578.9 °C at 760 mmHg
  • Density: 1.26

Details

emily.shen(at)lepuz.com.cn


Product Name Optical Brightening Agent KSN
Chemical Name 4.4-bis(5-methyl-2-benzoxoazol)-ethylene
CAS No. 5242-49-9
C.I. No. 368
Structural Formula
Molecular Formula C30H22N2O2
Properties 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.
Treating Process Overlay plastic:0.5-2g/100kg
Polyester fiber:10-20g
Package 20kg cardboard drum
Technical Index Appearance: greenish yellow powder
Melting process: 275~280°C
Ash content:≤0.5%
Purity:≥99%
Volatile content:≤0.5%
Fineness(300 mesh):100%
Uses 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.
Optical Brighter KSN / fluorescent whitening agent / fluorescent brightener

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