1.Product: Optical Brightener KSN 2. Chemical Name:4-4bis(5-methyl-2-benzoxoazol)-ethylene 3. Molecular Formula: C30H22N2O2

Technical Date Sheet

Optical Brightener KSN

Product:Optical Brightener KSN

Description:

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%.

Specification:

Molecular Formula Assay a Molecular Weight Appearance Melting Point Volatiles Partical Size  TGA b @ 335.9C ( LC ) (Air @ 20°C/min. rate)

C30H22N2 O2 99% min. 442g/mole Slight Yellowish powder 269-271C <0.10% <50 (mean micron) 90% Retention

Application/Uses:

•     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.

KSN