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Zinc sulfate heptahydrate
ZnSO
4
*7H
2
O
CAS-No: 7446-20-0
EC-No: 231-793-3
EC index No: 030-006-00-9
M= 287.54 g/mol
Vapor Pressure: -
Specific density: 1.97 g/cm
3
(20°C)
Flash point: not applicable
Soluble in H
2
O 965 g/l (20°C)
pH value 4 - 6 (50 g/l, H
2
O, 20°C)
Melting point: 100°C
Bulk density: 800 - 1000 kg/m
3
Boiling point: not applicable
Ignition temperature: not applicable
Explosive limit: not applicable
Viscosity kinematic: -
harmful, dangerous for the environment
H-STATEMENT/EUH: H302;318;410 / P273;
280;305+351+338;313
Test Type: LD50 oral rat
Results: 1260 mg/kg
HS-CODE: 2833 29 20
LGK: 10-13 Disposal: 14
WGK: 3 UN: 3077
996.032
Zinc sulfate heptahydrate
-
Extra pure
Specification
Assay
99.0 - 108.7 %
Appearance Colourless, transparent prisms
Solubility
Very soluble in water.
Freely soluble in glycerin,
insoluble in ethanol.
Identification
Responds to the tests
for zinc and sulphate
Acidity
passes test
As (Arsenic)
0.0014 %
Pb (Lead)
0.002 %
Alkali and alkaline earths
0.9 %
catalogue
number
996.032.0500
996.032.1000
packing
specs
plastic bottle
plastic bottle
pack
in box
6 pieces
6 pieces
weight
in pack
500 g
1 kg
996.036
Zinc sulfate heptahydrate
-
For analysis ACS, ISO, Reag. Ph Eur
Specification
Assay
99.5 - 103.0 %
Identity
passes test
Appearance of solution
passes test
Insoluble matter
0.01 %
Chloride (Cl)
0.0005 %
Total nitrogen (N)
0.0005 %
Nitrate (NO
3
)
0.002 %
As (Arsenic)
0.00005 %
Ca (Calcium)
0.001 %
Cd (Cadmium)
0.0005 %
Cu (Copper)
0.0005 %
Fe (Iron)
0.0005 %
K (Potassium)
0.001 %
Mg (Magnesium)
0.001 %
Mn (Manganese)
0.0003 %
Na (Sodium)
0.001 %
NH
4
(Ammonium)
0.001 %
Pb (Lead)
0.001 %
catalogue
number
996.036.0500
996.036.1000
packing
specs
plastic bottle
plastic bottle
pack
in box
6 pieces
6 pieces
weight
in pack
500 g
1 kg