Magnesium Nitrate Hexahydrate 500grm
for analysis EMSURE® ACS,Reag. Ph Eur
Manufacturer: Merck
Catalog ID: 105853.0500
Stock: In Stock
Description
| Catalogue Number | 105853 |
| Replaces | MX0060-1 |
| Description | Magnesium nitrate hexahydrate |
Product Information
| CAS number | 13446-18-9 |
| EC number | 233-826-7 |
| Grade | ACS,Reag. Ph Eur |
| Hill Formula | MgN₂O₆ * 6 H₂O |
| Chemical formula | Mg(NO₃)₂ * 6 H₂O |
| Molar Mass | 256.41 g/mol |
| HS Code | 2834 29 80 |
Physicochemical Information
| Density | 1.46 g/cm3 (20 °C) |
| Melting Point | 89 °C (for the hexahydrate) |
| pH value | 5.0 - 7.0 (50 g/l, H₂O, 25 °C) |
| Solubility | 420 g/l |
Toxicological Information
| LD 50 oral | LD50 Rat 5440 mg/kg |
Storage and Shipping Information
| Storage | Store at +15°C to +25°C. |
Specifications
| Assay (complexometric) | 99.0 - 102.0 % |
| Insoluble matter | ≤ 0.005 % |
| pH-value (5 %; water, 25 °C) | 5.0 - 7.0 |
| Chloride (Cl) | ≤ 0.001 % |
| Phosphate (PO₄) | ≤ 0.0005 % |
| Sulfate (SO₄) | ≤ 0.002 % |
| Heavy metals (as Pb) | ≤ 0.0005 % |
| As (Arsenic) | ≤ 0.0001 % |
| Ba (Barium) | ≤ 0.005 % |
| Ca (Calcium) | ≤ 0.005 % |
| Fe (Iron) | ≤ 0.0005 % |
| K (Potassium) | ≤ 0.0005 % |
| Mn (Manganese) | ≤ 0.0005 % |
| Na (Sodium) | ≤ 0.0005 % |
| NH₄ (Ammonium) | ≤ 0.001 % |
| Sr (Strontium) | ≤ 0.005 % |
| Corresponds to ACS,Reag. Ph Eur |