Anhui I-Sourcing International Co., Ltd.
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  • Contact Person : Ms. DENG SUNNY
  • Company Name : Anhui I-Sourcing International Co., Ltd.
  • Tel : 0086-551-2376776
  • Fax : 0086-551-2376779
  • Address : Anhui,Hefei,A1906, 1907 King Tower, Tuoji City Plaza, 687 West Changjiang Road, High Tech Development Zone
  • Country/Region : China
  • Zip : 230088

Optical brightener KSN for plastic 7128-64-5

Optical brightener KSN for plastic 7128-64-5
Product Detailed
Product: Optical Brightener KSN Chemical Name: 4.4-bis(5-methyl-2-benzoxoazol)-ethylene Molecular Formula C30H22N2O2.

Technical Date Sheet

Optical Brightener KSN

Product: Optical Brightener KSN


KSN is a fluorescent whitening agent of the ethylene benzoxazole class. The product is useful in plastics, man-made fibers, printing inks and coatings, flexible PVC and polyethylene. Dosage: 0.01%~0.03%.


Molecular Formula 

Assay  a  

Molecular Weight 


Melting Point 


Partical Size    

TGA  b @ 335.9°C

( LC )

(Air @ 20°C/min. rate) 

C30H22N2 O2 

99% min.


Slight Yellowish powder 



<50 (mean micron)

90% Retention


•     Coatings

•     Flexible PVC

•     Man-made fibers       

•      Plastics

•     Polyethylene

•     Printing Inks

Key Attributes:

•     Colors appear more brilliant

•     Environmentally friendly

•     Excellent brightening ability

•     Produce a bluish tinge, masking yellowness

•     Whiter-than-white appearance

Packing : 25kgs fibre drum

Storage: Keep in cool and dry place, far away from high temperature and sunshine.

Optical brightener KSN for plastic 7128-64-5

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