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LC298 Aluminium potassium sulfate dodecahydratesuitable for use as excipient exp Ph Eur,BP,USP |
| Order number | Packaging | Quantity | Price € |
| AC27298 | Double PE Sack | 25 kg | inquire |
| Product information | |
| Grade | Ph Eur,BP,USP |
| Synonyms | Potassium aluminium sulfate, Alum potassium, Potassium alum |
| Hill Formula | AlKO8S2 * 12 H2O |
| Chemical formula | KAl(SO4)2 * 12 H2O |
| HS Code | 2833 30 00 |
| EC number | 233-141-3 |
| Molar mass | 474.39 g/mol |
| CAS number | 7784-24-9 |
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Chemical and physical data |
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| Solubility | 139 g/l (20 °C) |
| Melting point | 92.5 °C |
| Molar mass | 474.39 g/mol |
| Density | 1.75 g/cm3 (20 °C) |
| Bulk density | 900 kg/m3 |
| pH value | 3.0 – 3.5 (100 g/l, H2O, 20 °C) |
| Safety information | |
| RTECS | WS5690000 |
| Storage class | 10 – 13 Other liquids and solids |
| WGK | WGK 1 slightly water endangering |
| Disposal | 14 Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535). |
| Safety information | |
| Assay – complexometric |
99.0 – 100.5 % |
| – complexometric; calculated on dried substance | 99.0 – 100.5 % |
| Identity | passes test |
| Appearance of solution | passes test |
| pH-value (10 %; in water) | 3.0 – 3.5 |
| Heavy metals (as Pb) | ≤ 0.001 % |
| Fe (Iron) | ≤ 0.01 % |
| NH4 (Ammonium) | ≤ 0.2 % |
| Residual solvents (Ph.Eur./USP/ICH) | excluded by manufacturing process |
| Loss on drying (400 °C) | 43.0 – 46.0 % |