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Magnesium chloride is an inorganic salt composed of magnesium and chlorine. It is typically found in the form of white or colorless crystals and is highly soluble in water. This compound is produced through the evaporation of seawater or by mining and processing magnesium-rich minerals. Magnesium chloride is used in various applications due to its hygroscopic properties and ability to lower the freezing point of water.
| Chemical formula | MgCl2 |
| Appearance | White or colorless crystals |
| Solubility | Highly soluble in water |
| Molecular weight | 95.21 g/mol |
| Density | 2.32 g/cm³ |
When purchasing magnesium chloride, consider the intended application to determine the required purity and form (e.g., flakes, pellets, or liquid). Buyers should specify the desired quantity and any relevant certifications, such as food grade or industrial grade, depending on the usage. Additionally, inquire about the moisture content and any specific tolerances that may be necessary for your application.
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It is commonly used for de-icing, dust control, and as a magnesium supplement in agriculture.
Yes, but it should be food grade and meet specific safety standards.
It can be produced through seawater evaporation or by processing magnesium-rich minerals.
Yes, it is often used in water treatment to remove impurities.
It is available in flakes, pellets, and liquid forms.
When used responsibly, it has minimal environmental impact, but overuse can lead to soil salinity.