Magnesium Sulfate Heptahydrate EP 25kg
Magnesium sulfate heptahydrate extra pure, for tablewater FCC. CAS 10034-99-8, EC 231-298-2, chemical formula MgSO₄ * 7 H₂O.
Manufacturer: Merck
Catalog ID: 105882.9029
Stock: In Stock
Description
Catalogue Number | 172572 |
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 | FCC |
Hill Formula | MgO₄S*7H₂O |
Chemical formula | MgSO₄ * 7 H₂O |
Molar Mass | 246.48 g/mol |
HS Code | 2833 21 00 |
Applications
Application | Magnesium sulfate heptahydrate extra pure, for tablewater FCC. CAS 10034-99-8, EC 231-298-2, chemical formula MgSO₄ * 7 H₂O. |
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
Appearance of the substance | colorless to white crystals |
Assay / (complexometric; calculated on dried substance) | 99.5 - 100.5 % |
Identity (wet chemistry) | passes test |
Appearance of solution (10 % in water) | clear and colorless |
Water-insoluble matter | ≤ 200 mg/kg |
Acidity or alkalinity | conforms |
Alkalinity (0.01 M HCl/1g) | conforms |
Acidity (0.01 M NaOH/1g) | conforms |
pH-value (5 %; water) | 5.0 - 8.2 |
Bromide (Br) | ≤ 5 mg/kg |
Chloride (Cl) | ≤ 140 mg/kg |
Fluoride (F) | ≤ 10 mg/kg |
Nitrate (NO₃) | ≤ 40 mg/kg |
Phosphate (PO₄) | ≤ 10 mg/kg |
Heavy metals (as Pb) | ≤ 10 mg/kg |
Al (Aluminium) | ≤ 1 mg/kg |
As (Arsenic) | ≤ 2 mg/kg |
Ca (Calcium) | ≤ 100 mg/kg |
Cu (Copper) | ≤ 10 mg/kg |
Fe (Iron) | ≤ 20 mg/kg |
Hg (Mercury) | ≤ 1 mg/kg |
K (Potassium) | ≤ 500 mg/kg |
Na (Sodium) | ≤ 0.3 % |
Pb (Lead) | ≤ 4 mg/kg |
Se (Selenium) | ≤ 30 mg/kg |
Zn (Zinc) | conforms |
Loss on drying (450 °C) | 48.0 - 52.0 % |
Residual solvents (ICH Q3C) | Excluded by production process |
Odour | not tested / typical substance properties |
Taste | not tested / typical substance properties |
Corresponds to FCC |