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31665
Fluka
Zinc sulfate heptahydrate
SKU
31665
Puriss. p.a., ACS Reagent, Reagent ISO, Reagent European Pharmacopoeia, ≥99.5%
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General Information:
- Leading the industry for over 65 years
- Honeywell now delivers Fluka™ premium grade inorganic reagents worldwide – with consistency, purity and accuracy assured
| Brand Fluka | CAS Numbers (All) | EC Number | Linear Formula ZnSO4 · 7H2O | MDL Number |
| Molar Mass 287.56 g/mol | RTECS Number 231-793-3 |
Documents
Specifications
| Property | Value |
|---|---|
| Assay | Min. 99.5 % |
| Water insoluble matter | Max. 0.005 % |
| pH (5 %, 25 °C) | 4.4 - 5.6 |
| Arsenic (As) | Max. 0.00005 % |
| Calcium (Ca) | Max. 0.001 % |
| Cadmium (Cd) | Max. 0.0002 % |
| Copper (Cu) | Max. 0.0005 % |
| Iron (Fe) | Max. 5 ppm |
| Potassium (K) | Max. 0.001 % |
| Magnesium (Mg) | Max. 0.001 % |
| Manganese (Mn) | Max. 2 ppm |
| Sodium (Na) | Max. 0.0005 % |
| Lead (Pb) | Max. 0.0005 % |
| Chloride (Cl) | Max. 5 ppm |
| Ammonium (NH4) | Max. 0.001 % |
| Nitrate (NO3) | Max. 0.002 % |
| Total N | Max. 0.0005 % |
| Appearance of the solution | complying |
Properties
| Property | Value |
|---|---|
| Boiling Point/Range | No data available |
| Certification | ACS Reagent, ISO, Ph. Eur. |
| Color | Colorless |
| Concentration | ≥99.50% |
| Density | 1.96 g/cm3 (20 °C) |
| Flashpoint | Not applicable |
| Form | Crystalline |
| Grade | ACS Grade |
| Incompatible Materials | None known |
| Lower Explosion Limit | Not applicable |
| Melting Point/Range | 100 °C |
| Partition Coefficient | No data available |
| Purity Percentage | 99.50 |
| Purity Details | >=99.50% |
| 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) |
| Product Line | Puriss. p.a. |
| Storage Temperature | Ambient |
Safety Information
| Property | Value |
|---|---|
| Hazard Class | N/A |
| Package Group | N/A |
| UN ID | N/A |
