Fluorescent brightener CBS-127(FP)

Chemical name: 1,1'-Biphenyl-4,4'-bis[2-methoxyphenyl]ethenyl]
Structural formula:

Molecular formula:
C30H26O2
Structure:
FP is an optical brightener of high purity, particularly suitable for the optical brightening of polymers, lacquers, printing inks and man-made fibers
Effect:
FP imparts pure to bluish brighteness to all polymers
Physical properties:
Appearance: White to yellowish crystalline powder.
Melting Range: 216-222°C
Spec.Gravity: 1.23g/cm3
Polystyrene:
white pigmented: 0.001%(1g FP per 100kg polystyrene)
Transparent: 0.0001-0.001%(0.1-1g FP per 100kg polystyrene)
Application:
These depend on the degree of brightening which is expected. The following are to be regarded as general guidelines:FP is incorporated into polymers in the same way as pigments.
o PVC white pigmented: 0.01-0.05%(10-50g FP per 100kg compound)
o Transparent: 0.0001-0.001%(0.1-1g FP per 100kg compound)
Packing:
packed in 25kg paper board bucket. It also can be packed in big or small bucket according to the requirement of the customers