Fluorescent Brightener-PF(C.I.135)

Chemical name: 1.2 di(5-mythyl-benziazolyl)ethylene 
Molecular formula: C18H14N2O2
Molecular weight: 290
Properties: The product is a light yellow crystal powder with strong durability resistance. Its melting point is 186-188,and its maximum absorption wave length is 363 nm. Its fluorescent color is indanthrene blue. Moreover, it is not soluble in water, and such organic solvents as benzene, alcohol, ester, ether. It is acid-proof and akali-proof, enjoying relatively stable chemical properties, being neutral and belonging to nonionic type.
Appearance: Light yellow crystal powder 
Melting Point: 184-186'C
Solidifying Content: 99.5% 
volatile: 0.5% 
Fineness: Passing through 120 meshes. 
Package:10kgs Drum

Fluorescent Brightener-PF is mainly used in increasing the brightening and beauty of PVC,PS,PP,polyester film, high or low voltage PE,ABS, organic glass, business card,high quality paper.

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