Chemical Name     4.4-bis(benzoxazolyl-2-yl)naphth-alene
Molecular Formula      C24H14O2N2
Molecular Weight 362
Structure      
 

 
CAS Number       63310-10-1
 
Specification  Appearance:    Bright-colored blue with white light
               Melting point: 210-212°C
               Solid content: ≥99.5%
               Fineness: Through 100 meshes
               Volatiles Content    0.5% max
                Ash content:  0.1%max
 
Packing  25 kg / PE drum
 
Applications  Fluorescent Brightener KCB is mainly used in brightening synthetic fiber and plastics, may be used in brightening plastic films materials of molding press into shape materials of injection mold, may be also used in brightening polyester fiber, dye and natural paint.