Blue crystalline solid. It decomposes before melting and loses four water molecules at 110 °C and all five at 150 °C. At 650 °C, it decomposes into copper(II) oxide (CuO) and sulfur trioxide (SO3). When heated in an open flame the crystals are dehydrated and turn grayish-white
Standard Applied:
Enterprise Standard
Uses:
It can be used as herbicide, fungicide, pesticide. It can also be used asanalytical reagent and organic synthesis. Other applications include hair dyes, coloring glass, processing of leather and textiles and in pyrotechnics as a green colorant.