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66142
Burdick & Jackson
Zinc sulfate heptahydrate
SKU
66142
Extra pure, meets analytical specifications of Reagent European Pharmacopoeia, BP, USP, FCC
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| Brand Burdick & Jackson | CAS Numbers (All) | EC Number | Linear Formula ZnSO4 · 7 H2O | MDL Number |
| Molar Mass 287.56 g/mol |
Documents
Specifications
| Property | Value |
|---|---|
| Assay | 99.0 - 103.0 % |
| pH (5 %, 20°C) | 4.4 - 5.6 |
| Arsenic (As) | Max. 2 ppm |
| Calcium (Ca) | Max. 0.005 % |
| Cadmium (Cd) | Max. 2 ppm |
| Iron (Fe) | Max. 10 ppm |
| Mercury (Hg) | Max. 2 ppm |
| Potassium (K) | Max. 0.01 % |
| Magnesium (Mg) | Max. 0.005 % |
| Sodium (Na) | Max. 0.01 % |
| Lead (Pb) | Max. 4 ppm |
| Selenium (Se) | Max. 0.001 % |
| Chloride (Cl) | Max. 50 ppm |
| Appearance of the solution | complying |
| Alkalis/earth alkalis (as SO4) | Max. 0.5 % |
| Acidity | complying |
| Residual solvents | complying |
Properties
| Property | Value |
|---|---|
| Boiling Point/Range | No data available |
| Certification | Ph. Eur., BP, FCC, USP |
| Color | Colorless |
| Density | 1.96 g/cm3 (20 °C) |
| Flashpoint | Not applicable |
| Form | Crystalline |
| Grade | Extra pure |
| Incompatible Materials | None known |
| Lower Explosion Limit | Not applicable |
| Melting Point/Range | 100 °C |
| Partition Coefficient | No data available |
| Solubility in Water | 965 g/l (20 °C) |
| Upper Explosion Limit | Not applicable |
| Vapor Pressure | No data available |
| Viscosity | No data available |
| pH-Value | 4.4-5.6 (20 °C) (as aqueous solution) |
| Storage Temperature | Ambient |
Safety Information
| Property | Value |
|---|---|
| Hazard Class | N/A |
| Package Group | N/A |
| UN ID | N/A |
