FLUORESCENT BRIGHTENER KSN

Chemical name: 4,4-bis(5-methyl-2-benziazolyl)ethlene
Structural formula:
CAS NO.:5242-49-9
EC NO.:226-044-2
Molecular formula: C30H22N2O2
Molecular weight: 442
Properties: The fluorescent brightener-KSN belongs to benzoxazole compound.It is yellow crystal powder.,melting point is 278°C,insoluble in water,no odor with stable property.
Technical conditions:
Appearance: yellow crystal power
Melting point: 275~280°C
Content of solid: ≥99.5%
Fineness : through 120 meshes

Use: It is mainly used for brightening of polyester,polyamide,polyacrylonitrile fiber and plastics.
Package: 25KG cardboard drum lined with double plastic bags or according to the requirement of the users.