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Magnesium sulfate heptahydrate, 1 X 1 kg (13142-1KG)
MilliporeSigma® (Sigma-Aldrich)
$88.40
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| InChI key | WRUGWIBCXHJTDG-UHFFFAOYSA-L |
| assay | 99.5-100.5% (calc. to the dried substance) |
| SMILES string | O.O.O.O.O.O.O.[Mg++].[O-]S([O-])(=O)=O |
| impurities | residual solvents, complies |
| quality | meets analytical specification of Ph. Eur., BP,USP, FCC |
| impurities | acidity or alkalinity, in accordance |
| loss | 48.0-52.0% loss on drying, 450 °C |
| InChI | 1S/Mg.H2O4S.7H2O/c;1-5(2,3)4;;;;;;;/h;(H2,1,2,3,4);7*1H2/q+2;;;;;;;;/p-2 |
| pH | 5.0-9.2 (25 °C, 5%) |
| suitability | complies for appearance of solution |
| cation traces | Se: ≤30 ppm |
| form | powder or crystals |
| cation traces | As: ≤2 ppm |
| CAS_NO | 10034-99-8 |
| impurities | organic volatile impurities, complies (GC) |
| anion traces | chloride (Cl-): ≤150 mg/kg |
| impurities | ≤0.001 ppm heavy metals (as Pb) |
| vapor pressure | <0.1 mmHg ( 20 °C) |
| impurities | ≤0.01% free acid (as H2SO4) |
| impurities | ≤0.004% free alkali (as MgO) |
| Quality Level | 200 |
| cation traces | Fe: ≤20 ppm |
| cation traces | Pb: ≤4 ppm |
| vapor density | <0.01 (vs air) |