Blue Copper Sulphate Powder also known as cupric sulfate, is a chemical compound with the molecular formula CuSO4. It is a blue crystalline solid that is soluble in water and commonly used as a fungicide, algaecide, and herbicide. This is also used in the manufacturing of copper compounds, as a mordant in dyeing, and in electroplating. It can cause skin and eye irritation, and inhalation can cause respiratory problems. Blue Copper Sulphate Powder should be stored in a cool, dry place away from children and pets and should not be ingested, as it can cause serious health problems.