Magnesium sulfate heptahydrate - 13142
Code: 13142
Magnesium sulfate heptahydrate
Meets analytical specification of Ph. Eur., BP, USP, FCC, 99.5-100.5% (calc. to the dried substance)
Epsom salts
meets analytical specification of Ph. Eur., BP,USP, FCC, 99.5-100.5% (calc. to the dried substance)
CAS Number: 10034-99-8
Linear Formula: MgSO4 · 7H2O
Molar Mass: 246.47 g/mol
EC Number: 231-298-2
MDL Number: MFCD00149785
| Property |
Value |
| Assay (calculated to the dried substance) |
99.5 - 100.5 % |
| Loss on drying (450°C) |
48.0 - 52.0 % |
| PH (5 %, 25 °C) |
5.0 - 9.2 |
| Free acid (as H2SO4) |
max. 0.01 % |
| Free alkali (as MgO) |
max. 0.004 % |
| Acidity or alkalinity |
complying |
| Arsenic (As) |
max. 2 ppm |
| Iron (Fe) |
max. 20 ppm |
| Lead (Pb) |
max. 4 ppm |
| Selenium (Se) |
max. 30 ppm |
| Heavy metals (as Pb) |
max. 10 ppm |
| Chloride (Cl) |
max. 100 ppm |
| Residual solvents |
complying |
| Appearance of the solution |
complying |
| Property |
Value |
| Vapor Pressure |
<0.1 mmHg ( 20 °C) |
| Vapor Density |
<0.01 (vs air) |
| Freezing point |
1,124 °C |
| Density |
1.68 g/cm3 |
