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Magnesium sulphate, commonly known as Epsom salt, is an inorganic compound composed of magnesium, sulfur, and oxygen. It is typically found in a crystalline form and is highly soluble in water. In the pharmaceutical industry, magnesium sulphate is used as a bulk active pharmaceutical ingredient (API) due to its therapeutic properties, particularly in the treatment of magnesium deficiency and as a laxative.
| Chemical formula | MgSO4 |
| Molecular weight | 120.37 g/mol |
| Purity | Typically ≥ 98% |
| Solubility | Soluble in water |
| Appearance | White crystalline powder |
When selecting magnesium sulphate for pharmaceutical applications, buyers should consider the required purity levels and any specific grades needed for their formulations. It is also essential to specify any certifications, such as GMP compliance, and the desired packaging sizes. Quantities can vary significantly depending on the application, so buyers should provide their estimated usage to facilitate accurate quoting.
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It is used primarily as a laxative and to treat magnesium deficiency.
Yes, when used as directed, it is generally considered safe.
Pharmaceutical-grade magnesium sulphate typically has a purity of 98% or higher.
Yes, it is often used as a magnesium and sulfur source in fertilizers.
It should be stored in a cool, dry place, away from moisture.
It is available in various forms, including anhydrous and heptahydrate.