optical-brightener-ksn Hostalux KSN Supplier & Manufacturer info@www.additivesforpolymer.com

Optical Brightener Hostalux KSN

Chemical Name:


Formula C29H20N2O2 optical-brightener-ksn Hostalux KSN chemical structure  info@www.additivesforpolymer.com
MW      442
CAS# 5242-49-9

Synonym name:

Hostalux KSN, Fluorescent Brightener 368 (FB 368) , c.i.368, Fluorescent Brightener KSN

Appearance Pale yellow powder
Dosage 0.01-0.05%
Melting point 269-271℃


> KSN and OB-1 share similar chemical structure, while KSN has better whitening effect on PC and plastics than OB-1, also better compatibility than OB-1.

>Optical Brightener KSN also has high temperature resistance performance. But also light and weather resistance than OB-1. KSN is suitable for PA, PAN, film, injection/extraction mould whitening. Hostalux KSN is a ideal effect could achieved in any processing time of synthetic polymer.

Handing and Safety: 

>For additional handing and toxicological information, please consult us for Maternal Safety Date Sheet.


25kg per fiber drum, 6*2 layer 12 drum per pallet, 5CBM per ton ,or according to customers’ requirements.


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