Chemical Properties
This product is light yellow crystalline powder with bright blue fluorescence. Melting point 218～219 ℃. Miscible with water in any ratio. Hard water resistance, acid resistance, alkali resistance. The fabric after using it has good light fastness, chlorine bleaching resistance and washing fastness.
Uses
Fluorescent Brightener 185 is used as a whitening treatment agent for acetate fiber, nylon, polyester, polypropylene, vinyl and blended fibers.
Synthesis
Using o-aminophenol and chlorobenzene as raw materials, Fluorescent Brightener 185 can be obtained after reaction.
