Copper (II) Sulfate also Cupric Sulfate / Copper Sulphate.
Other names; blue vitrol,bluestone
formula | CuSO_4 Hill formula | CuO_4S name | copper(II) sulfate IUPAC name | copper sulfate
molar mass | 159.61 g/mol phase | solid (at STP) melting point | 200 °C density | 3.603 g/cm^3 vapor pressure | 7.299 mmHg
This salt exists as a series of compounds that differ in their degree of hydration.
- The anhydrous salt is Greenish-white/Grayish-white in its pure form.White when dehydrated.
- The most commonly used,Copper Sulfate Pentahydrate is blue (bright).
Soluble in methanol (1.1 g/100 ml), but insoluble in ethanol.(1.04 g/100 cc methanol @ 18 deg C.)
In water, 243 g/l @ 0 deg C. – 75.4 g/100 cc water @ 100 deg C.
When heated to decomposition it emits toxic fumes of sulfur oxides.(650 deg C decomp to cupric oxide)