Optical Brightener KSN

        Optical Brightening Agent KSN

Typical Properties:

Chemical name: 4.4-bis(5-methyl-2-benzoxoazol)-ethylene

Molecular weight: 442
CAS No.: 5242-49-9

C.I.: 368

Empirical Formula:C30H22N2O2 

Melting Point:300~320°C

Appearance: Yellowish Powder 

Effective Assay: 99%min

Purity:99%min   

Application:

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.With the dosage:0.01-0.05%

Packing:

25kg / fiber drum with PE liner.