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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 |
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 |
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) |
Property | Value |
---|---|
Hazard Class | N/A |
Package Group | N/A |
UN ID | N/A |
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