Optical Brightener KSN

Chemical Name:


Formula C29H20N2O2 optical-brightener-ksn Hostalux KSN chemical structure
MW      442
CAS# 5242-49-9

Synonym name:

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


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


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

KSN is suitable for PA, PAN, film, injection/extraction mold whitening.

Handling and Safety: 

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


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


Hostalux KSN, Optical Brightener KSN, CAS 5242-49-9, FBA 368 msds

Hostalux KSN, Optical Brightener KSN, CAS 5242-49-9, FBA 368 tds

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