Copper(II) sulphate, also known as cupric sulfate or copper sulphate, is the chemical compound with the chemical formula CuSO4. This salt exists as a series of compounds that differ in their degree of hydration. The anhydrous form is a pale green or gray-white powder, whereas the pentahydrate (CuSO4·5H2O), the most commonly encountered salt, is bright blue. Copper sulfate exothermically dissolves in water to give the aquo complex [Cu(H2O)6]2+, which has octahedral molecular geometry and is paramagnetic. Other names for copper(II) sulfate are "blue vitriol" and "bluestone".
Properties
1.Copper Sulphate is blue crystal granular,can soluble in water and diluted acetic acid. The solution appears as weak acidity. It will be effloresces slowly in dry air, and its surface will become
white powder substance.
2.Copper Sulphate will lose four crystal water when heated to 110 °C, and will be changed into white Copper sulphate anhydrous which is easy to absorb water when the temperature is higher than 200°C.
Technical Data
Item |
Index |
CuSO4·5H2O (%) |
≥98 |
≥96 |
Cu (%) |
≥25.06 |
≥24.5 |
Water insoluble (%) |
≤0.2 |
≤0.2 |
Pb (%) |
≤10 ppm |
≤10 ppm |
As (%) |
≤4 ppm |
≤4 ppm |
Fineness |
20-40 mesh ≥95% passing rate 40-80 mesh ≥95% passing rate ≥80 mesh ≥95% passing rate |
Applications
1)Used for manufacturing the various copper compounds.
2)Used for mineral processing.
3)Mainly used for textile mordant, agricultural pesticides, fungicides, preservatives, tanning leather, copper plating, desiccant.
4)Used for dyes and pigments industry
5) Used as the poultry feed additive or fertilizer.
6) Used for Bordeaux solution.
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