What is a Manganese(II) chloride (MnCl₂)?

Manganese(II) chloride (MnCl₂) is a chemical compound that appears as a pink to light red crystalline solid. It typically exists in its tetrahydrate form (MnCl₂·4H₂O) and is highly soluble in water and hygroscopic. It is used in various chemical and laboratory applications as a reagent. Industrially, manganese chloride is employed in the production of manganese metal, battery materials, and as a catalyst precursor. In agriculture, it is used as a micronutrient fertilizer to correct manganese deficiencies in soil. Although manganese is an essential trace element for human health, excessive exposure to manganese chloride—especially via inhalation—can be harmful. Proper handling and storage are essential to avoid health risks.

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