Magnesium Oxide Heavy EP 1Kg
EMPROVE® ESSENTIAL Ph Eur,BP,USP
Manufacturer: Merck
Catalog ID: 105867.1000
Stock: In Stock
Description
| Catalogue Number | 105867 |
| Synonyms | Magnesia usta |
Product Information
| CAS number | 1309-48-4 |
| EC number | 215-171-9 |
| Grade | Ph Eur,BP,USP |
| Hill Formula | MgO |
| Molar Mass | 40.3 g/mol |
| HS Code | 2519 90 10 |
Physicochemical Information
| Boiling point | 3600 °C (1000 hPa) |
| Density | 3.58 g/cm3 (25 °C) |
| Melting Point | 2800 °C |
| pH value | 10.3 (H₂O, 20 °C) (saturated solution) |
| Bulk density | 100 kg/m3 |
Storage and Shipping Information
| Storage | Store at +5°C to +30°C. |
Specifications
| Assay (complexometric, calc. on the ignited basis) | 98.0 - 100.5 % |
| Assay (complexometric, calculated on the ignited basis according to USP) | 96.0 - 100.5 % |
| Identity | passes test |
| Appearance of solution | passes test |
| Substances soluble in water | ≤ 1.0 % |
| Substances insoluble in acetic acid | ≤ 0.1 % |
| Substances insoluble in acid | ≤ 0.1 % |
| Free alkali (as NaOH) | ≤ 0.6 % |
| Chloride (Cl) | ≤ 0.1 % |
| Sulfate (SO₄) | ≤ 0.5 % |
| Heavy metals (as Pb) | ≤ 0.0020 % |
| Al (Aluminium) | ≤ 0.01 % |
| As (Arsenic) | ≤ 0.0003 % |
| Ca (Calcium) | ≤ 0.8 % |
| Cr (Chromium) | ≤ 0.0025 % |
| Fe (Iron) | ≤ 0.05 % |
| Na (Sodium) | ≤ 0.1 % |
| Ni (Nickel)* | ≤ 0.0025 |
| Si (Silicon) | ≤ 0.05 % |
| V (Vanadium)* | ≤ 0.0025 |
| Residual solvents (ICH Q3C) | excluded by manufacturing process |
| Loss on ignition (900 °C) | ≤ 8.0 % |
| Bulk density | ≥ 0.25 g/ml |
| 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 |
