| Specifications | |
|---|---|
| Assay (complexometric) | 99.0 - 100.5 % |
| Assay (complexometric; calculated on dried substance) | 99.0 - 100.5 % |
| Identity | passes test |
| Appearance of solution | passes test |
| pH-value (10 %; water) | 3.0 - 3.5 |
| Heavy metals (as Pb) | ≤ 0.002 % |
| Cr (Chromium) (*) | ≤ 0.0003 % |
| Fe (Iron) | ≤ 0.01 % |
| NH₄ (Ammonium) | ≤ 0.2 % |
| Residual solvents (ICH Q3C) | excluded by manufacturing process |
| Loss on drying (400 °C) | 43.0 - 46.0 % |
| * specified acc. to EMEA/CHMP/SWP/4446/2000. Other residues of metal catalysts or metal reagents acc. to this guideline are not likely to be present. | |
| Corresponds to Ph Eur,BP,USP | |
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Key Spec Table
| CAS # | EC Number | Hill Formula | Chemical Formula | Molar Mass | Grade Value |
|---|---|---|---|---|---|
| 7784-24-9 | 233-141-3 | AlKO₈S₂ * 12 H₂O | KAl(SO₄)₂ * 12 H₂O | 474.39 g/mol | Ph Eur,BP,USP |
| Description | |
|---|---|
| Catalogue Number | 101042 |
| Synonyms | Potassium aluminium sulfate, Alum potassium, Potassium alum |
| Product Information | |
|---|---|
| CAS number | 7784-24-9 |
| EC number | 233-141-3 |
| Grade | Ph Eur,BP,USP |
| Hill Formula | AlKO₈S₂ * 12 H₂O |
| Chemical formula | KAl(SO₄)₂ * 12 H₂O |
| Molar Mass | 474.39 g/mol |
| HS Code | 2833 30 00 |
| Applications | |
|---|---|
| Application | Aluminium potassium sulfate dodecahydrate suitable for use as excipient EMPROVE® exp Ph Eur,BP,USP. CAS No. 7784-24-9, EC Number 233-141-3, chemical formula KAl(SO₄)₂ * 12 H₂O. Aluminium potassium sulfate dodecahydrate MSDS or SDS here. |
| Physicochemical Information | |
|---|---|
| Density | 1.75 g/cm3 (20 °C) |
| Melting Point | 92.5 °C |
| pH value | 3.0 - 3.5 (100 g/l, H₂O, 20 °C) |
| Bulk density | 900 kg/m3 |
| Solubility | 139 g/l |
| Safety Information according to GHS | |
|---|---|
| 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). |
| Storage and Shipping Information | |
|---|---|
| Storage | Store at +5°C to +30°C. |
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