Pharmacopoeia Grades
Magnesium Chloride Anhydrous
United States Pharmacopoeia (USP)
- Cas No: 7786-30-3
- Molecular Formula: MgCl2
- Molecular weight: 95.211 g/mol
| Test | Specification |
|---|---|
| Assay | 98.0% – 101.0% |
| Insoluble Matter | NMT 0.005% |
| Chloride and Sulfate | 0.005% |
| Barium (Ba) | No turbidity is produced within 2h |
| Limit of Calcium | NMT 0.01% |
| Potassium (K) | No turbidity is produced within 5 min. |
| Aluminium (Al) | NMT 1 ppm |
| pH | 4.5 – 7.0 |
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Magnesium Chloride Hexahydrate
United States Pharmacopoeia (USP)
- Cas No: 7791-18-6
- Molecular Formula: MgCl2.6H2O
- Molecular weight: 203.30 g/mol
| Test | Specification |
|---|---|
| Assay | 98.0% – 101.0% |
| Insoluble Matter | NMT 0.005% |
| Chloride and Sulfate | 0.005% |
| Barium (Ba) | No turbidity is produced within 2h |
| Limit of Calcium | NMT 0.01% |
| Potassium (K) | No turbidity is produced within 5 min. |
| Aluminium (Al) | NMT 1 ppm |
| pH | 4.5 – 7.0 |
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Magnesium Chloride Hexahydrate
British Pharmacopoeia (BP)
- Cas No: 7791-18-6
- Molecular Formula: MgCl2.6H2O
- Molecular weight: 203.30 g/mol
| Test | Specification |
|---|---|
| Appearance | Colorless crystals, hygroscopic |
| Appearance of Solution | Clear and colorless |
| Bromides (Br) | 500 ppm |
| Sulfates (SO₄) | Max 100 ppm |
| Aluminium (Al) | Max 1 ppm |
| Calcium (Ca) | Max 0.1% |
| Iron (Fe) | Max 10 ppm |
| Potassium (K) | Max 500 ppm |
| Water (H₂O) | 51.0% to 55.0% |
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Magnesium Chloride Hexahydrate
European Pharmacopoeia (EP)
- Cas No: 7791-18-6
- Molecular Formula: MgCl2.6H2O
- Molecular weight: 203.30 g/mol
| Test | Specification |
|---|---|
| Appearance | Colorless crystals or hygroscopic |
| Solubility in water and ethanol | Very soluble in water, freely soluble in ethanol (96%) |
| Appearance of solution | The solution is clear and colorless |
| Bromides (Br) | Max 500 ppm |
| Sulphate (SO₄) | Max 100 ppm |
| Calcium (Ca) | Max 0.1% |
| Iron (Fe) | Max 10 ppm |
| Potassium (K) | Max 500 ppm |
| Water (H₂O) | 51.0% to 55.0% |
| Aluminium (Al) | Max 1 ppm |
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Magnesium Chloride Hexahydrate
Indian Pharmacopoeia (IP)
- Cas No: 7791-18-6
- Molecular Formula: MgCl2.6H2O
- Molecular weight: 203.30 g/mol
| Test | Specification |
|---|---|
| Description | Colorless crystals. Deliquescent |
| Solubility in water and alcohol | Freely soluble in water and alcohol |
| Identification | It gives the reactions of magnesium and chlorides |
| Arsenic | NMT 2 ppm |
| Limit of Calcium | NMT 0.01% |
| Heavy metals | NMT 20 ppm |
| Potassium (K) | NMT 1.0% |
| Sodium (Na) | NMT 0.5% |
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