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Copper
sulphate pentahydrate
- Chemical
formula : CuSO4.5H2O
-
Identification : CAS Nr. 7758- 99 - 8
-
Chemical characteristics
CuSO4.5H2O
|
98
% minimum |
Copper |
25
% minimum |
Solubility
in water |
266
g/l at 20°C |
| pH
(10%
solution) |
3,2 - 4 |
-
Purity (max. levels)
| |
EMFEMA |
FAO
|
| |
members |
|
| As
(Arsenic) |
10
ppm |
25
ppm |
| Pb(lead)
|
90
ppm |
125
ppm |
| Cd(cadmium)
|
10
ppm |
25
ppm |
| Hg
(mercury) |
0.1 ppm |
|
| Ni
(nickel) |
100
ppm |
|
- Physical
properties (typical)
| Colour |
Deep
blue to light blue |
| Structure |
Crystals
/ microcrystals |
| Size
of crystals |
below
1 mm (typical) |
| Hygroscopicity |
Highly
hygroscopic |
| Stability |
Excellent
if stored correctly |
| Free
flowing |
Anti-caking
may be required |
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