Product Class: Optical Brightener Agent For Plastic

Product Name : Optical Brightener 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: C29used for high temperature process.

H20N2O2 

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

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.

Package: 10kg or 25kg per fiber drum