Optical Brighter KSN / fluorescent whitening agent / fluorescent brightener

• Product NameOptical Brighter KSN / fluorescent whitening agent / fluorescent brightener
  CAS No.5242-49-9
  Purity99%
  Min Quantity
  Price~
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  Molecular Structure

Detailed Description

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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.
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• Optical Brighter KSN / fluorescent whitening agent / fluorescent brightener