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12623
Fluka
Aluminum potassium sulfate dodecahydrate
SKU
12623
Puriss., meets analytical specification of BP, European Pharmacopoeia, 99.0-100.5% (calc. on dry substance)
Synonym(s)
Alum; Potassium alum; Potassium aluminum sulfate dodecahydrate
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General Information:
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| Brand Fluka | UNSPSC Code WS5690000 | CAS Numbers (All) | Linear Formula AlK(SO4)2 · 12H2O | MDL Number |
| Molar Mass 474.39 g/mol | RTECS Number 233-141-3 | Synonyms Alum; Potassium alum; Potassium aluminum sulfate dodecahydrate |
Documents
Specifications
| Property | Value |
|---|---|
| Assay (calculated to the dried substance) | 99.0 - 100.5 % |
| Loss on drying | 43.0 - 46.0 % |
| Ammonium (NH4) | max. 0.2 % |
| Iron (Fe) | complying |
| Arsenic (As) | max. 0.0002 % |
| Heavy metals (as Pb) | max. 0.001 % |
| Chloride (Cl) | max. 0.005 % |
| Appearance of the solution | complying |
Properties
| Property | Value |
|---|---|
| Boiling Point/Range | Not applicable |
| Color | Colorless |
| Density | 1.75 g/cm3 (20 °C) |
| Flashpoint | Not applicable |
| Form | Crystalline |
| Grade | Reagent Pharmacopeia Salts |
| Incompatible Materials | Reactions with strong alkalies |
| Lower Explosion Limit | Not applicable |
| Melting Point/Range | 92.5 °C |
| Partition Coefficient | No data available |
| Product Line | Puriss. |
| Solubility in Water | 105 g/l (20 °C) |
| Storage Temperature | Ambient |
| Upper Explosion Limit | Not applicable |
| Vapor Pressure | No data available |
| Viscosity | Not applicable |
| pH-Value | 3.0-3.5 (20 °C) |
Safety Information
| Property | Value |
|---|---|
| Hazard Class | N/A |
| Package Group | N/A |
| UN ID | N/A |
