Optical Brightener Agent KSN CAS 5242 49 9

Basic Information
Place of Origin: China
Brand Name: LONGPU
Certification: REACH,SGS,ISO9001
Model Number: OBA KSN
Minimum Order Quantity: 50KG
Price: Confirm the order date
Packaging Details: 25kg
Delivery Time: Within 7days
Payment Terms: T/T ,L/C
Supply Ability: Prompt
CAS NO: 5242-49-9 HPLC: ≥99.0%
Fineness: 100mesh Volatiles: ≤0.5%
M.P: 275~280°C Odor: Free Of Odor
High Light:

optical brightness agent


fluorescing agents in detergents


High quality of Optical Brightener Agent KSN-368 for Polyesters,Polyamide,Film,CAS NO 5242-49-9



Product Cate Optical Brightening Agent For Plastic
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 Optical Brightener Agent KSN CAS 5242 49 9 0
Molecular Formula



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: Kelly powder
Melting process: 275~280°C
Ash content:≤0.5%
Volatile content:≤0.5%
Fineness(300 mesh):100%


1. Suitable for the whitening of polyesters, polyamide, polyacrylonitrile etc.
2. Widely used for film, injection and extrusion materials etc.
3. Suitable for the whitening of high polymers


Properties & Features:
1. Low use level, high whitening intensity.
2. Wide suitability, widely used in the whitening of polyesters and plastics.
3. Excelllent compatibility with plastic; excellent resistance to high temperature and weathering.


Contact Details

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