Magnesium propionate is a white crystalline solid with the chemical formula (C2H5COO)2Mg, which is easily soluble in water. It has excellent bactericidal, antibacterial, and antiseptic properties, so it is widely used as a preservative in cosmetics and personal care products. Magnesium propionate is usually prepared by the reaction of propionic acid with magnesium carbonate or magnesium hydroxide.

Magnesium propionate is a chemical that has a variety of uses, especially in the cosmetics and personal care industries. Here are some of the main uses of magnesium propionate:

1. Cosmetics and personal care products: The preservative properties of magnesium propionate make it a commonly used preservative in cosmetics and personal care products. It can help prevent contamination of the product by bacteria and mold, extending the life of the product.

2. Pharmaceutical field: Magnesium propionate may be used in some drug formulations as an excipient to help maintain the stability and effectiveness of the drug.

3. Food industry: Although magnesium propionate is not as commonly used in the food industry as other propionates such as calcium propionate or sodium propionate, it may also be used as a food additive, especially where preservatives are required.

4. Agriculture: Magnesium propionate may be used as part of agricultural chemicals, such as in plant growth regulators or pesticides.

5. Other industrial applications: The chemical properties of magnesium propionate may also make it suitable for other industrial fields, such as cleaners, leather treatments, or certain types of plastic manufacturing.