Fluorescent Brightener KSN

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Product Name:?Fluorescent Brightener KSN
Chemical Name:?Fluorescent Brightener KS-N
?2-[4-[2-[4-(2-benzoxazolyl)phenyl]ethenyl]phenyl]-5-methyl-benzoxazol; 2-[4-[2-[4-(2-benzoxazolyl)phenyl]ethenyl]phenyl]-5-methyl-Benzoxazole; 5-Methyl-2-[4-[2-[4-(2-benzoxazolyl)phenyl]ethenyl]phenyl]benzoxazole; Benzoxazole,2-[4-[2-[4-(2-benzoxazolyl)phenyl]ethenyl]phenyl]-5-methyl-; 2-[4-[4-(2-benzoxazolyl)styryl]phenyl]-5-methylbenzoxazole;5-methyl-2,2′-(vinylenedi-p-phenylene)bis-benzoxazole; 4-(2-BENZOXAZOLYL)-4′-(5-METHYL-2-BENZOXAZOLYL)STILBENE; Fluorescent Brightener KS-N
CAS No:?5242-49-9
MW: 428.48
Fluorescent Brightener


Yellow green powder. Melting point of?335-345℃.?Insoluble in water, soluble in organic solvents with high boiling point.


KSN and OB-1 fluorescent whitening agent has a similar chemical structure, but for polyester fiber and plastic products whitening effect is better than OB-1 and intermiscibility with better than OB-1 plastic, little dosage can produce very good whitening effect, which is far less than the OB-1. KSN not only has high temperature resistance, but also has excellent resistance to sunlight and weather resistance.

The Product is used for all plastics, especially in synthetic fibers, and has strong whitening effect, and can also be used for coating, printing ink, paint, etc.

Storage: Storage should be cool and ventilated, away from heat, fire, to prevent sun exposure, heat is strictly prohibited.
Package:?25kg PP bag for solid powder. 200L or 250KG Drum for Liquid.


Appearance Yellow green powder
Content ≥99%
Moisture ≤0.1%
Insoluble ≤0.1%
Melting point 335-345℃
Usage 0.01-0.05% (o.w.f)

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