This product is a milky white slurry with good dispersibility and is neutral. Is a non-ionic compound. Melting point 182 ~ 184 ℃. Insoluble in water, soluble in DMF and ethanol, acid-resistant to pH=2～3, alkali-resistant to pH=10.
Fluorescent Brightener 135 is used as a brightener for synthetic fibers, suitable for brightening polyester, nylon, acetate fibers or synthetic fibers and cotton, wool blended fabrics, etc. The fabrics produced with it have good light fastness and wet fastness.
Flammability and Explosibility
Not classified
Fluorescent Brightener 135 can be prepared by the reaction of xylene, o-amino-p-cresol, hydroxysuccinic acid and boric acid.
