Product Name Optical Brightening Agent KSN/bleaching 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.
