Magnesium Sulfate Heptahydrate GR 500Grm
for analysis EMSURE® ACS,Reag. Ph Eur
Manufacturer: Merck
Catalog ID: 105886.0500
Stock: In Stock
Description
| Catalogue Number | 105886 |
| Synonyms | bitter salt, epsom salt, sulfuric acid magnesium salt heptahydrate |
| Description | Magnesium sulfate heptahydrate |
Product Information
| CAS number | 10034-99-8 |
| EC number | 231-298-2 |
| Grade | ACS,Reag. Ph Eur |
| Hill Formula | MgO₄S*7H₂O |
| Chemical formula | MgSO₄ * 7 H₂O |
| Molar Mass | 246.48 g/mol |
| HS Code | 2833 21 00 |
Physicochemical Information
| Density | 1.68 g/cm3 (20 °C) |
| pH value | 5.0 - 8.0 (50 g/l, H₂O, 25 °C) |
| Bulk density | 900 kg/m3 |
| Solubility | 710 g/l |
Storage and Shipping Information
| Storage | Store at +5°C to +30°C. |
Specifications
| Assay (complexometric) | ≥ 99.5 % |
| Assay (complexometric; calculated on dried substance) | 99.0 - 100.5 % |
| Identity | passes test |
| Appearance of solution | passes test |
| Insoluble matter | ≤ 0.005 % |
| Acidity or alkalinity | passes test |
| pH-value (5 %; water; 25 °C) | 5.0 - 8.0 |
| Chloride (Cl) | ≤ 0.0003 % |
| Total nitrogen (N) | ≤ 0.002 % |
| Nitrate (NO₃) | ≤ 0.002 % |
| Heavy metals (as Pb) | ≤ 0.0005 % |
| As (Arsenic) | ≤ 0.0002 % |
| Ca (Calcium) | ≤ 0.005 % |
| Cu (Copper) | ≤ 0.0001 % |
| Fe (Iron) | ≤ 0.0001 % |
| K (Potassium) | ≤ 0.001 % |
| Mn (Manganese) | ≤ 0.0005 % |
| Na (Sodium) | ≤ 0.001 % |
| NH₄ (Ammonium) | ≤ 0.002 % |
| Pb (Lead) | ≤ 0.0001 % |
| Sr (Strontium) | ≤ 0.005 % |
| Loss on drying (400 °C) | 48.0 - 52.0 % |
| Corresponds to ACS, Reag. Ph Eur |
