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Magnesium chloride and anhydrous magnesium chloride are common chemical substances, although they have similar names, they have certain differences in chemical properties and uses

From a chemical formula perspective, magnesium chloride and anhydrous magnesium chloride are different. The chemical formula of magnesium chloride is MgCl2, which represents the combination of one magnesium ion and two chloride ions. The chemical formula of anhydrous magnesium chloride is MgCl2 ∙ 6H2O, which represents the combination of one magnesium ion with two chloride ions and six water molecules. Structurally, water molecules in anhydrous magnesium chloride exist in the crystal lattice and can be removed to form anhydrous magnesium chloride crystals

In terms of usage, there are also some differences between magnesium chloride and anhydrous magnesium chloride. Magnesium chloride is commonly used as a raw material in industrial production, such as in the preparation of metallic magnesium, the production of antifreeze and anti-inflammatory drugs. Anhydrous magnesium chloride is commonly used as a reagent in the laboratory, with high purity and stability, and is commonly used in organic synthesis, catalytic reactions, and experimental research. In addition, anhydrous magnesium chloride can also be used to prepare mint flavored edible salt and bath salt, as well as to regulate the magnesium content in soil and improve plant growth

In summary, there are certain differences in chemical properties and uses between magnesium chloride and anhydrous magnesium chloride. Understanding their differences helps us choose and use them correctly in real life. Whether used in industrial production or experimental research, we can choose suitable chemicals based on specific needs.