Aluminum Potassium Sulfate Dodecahydrate 1KG
EMPROVE® ESSENTIAL Ph Eur,BP,USP
Manufacturer: Merck
Catalog ID: 101042.1000
Stock: In Stock
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 |
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 |
Storage and Shipping Information
| Storage | Store at +5°C to +30°C. |
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 % |
| Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities). Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*). | |
| Corresponds to Ph Eur,BP,USP |
