Manganese(II) chloride is an inorganic chloride in which manganese(II) is coordinated to two chloride ions. In its anhydrous state manganese(II) chloride is a polymeric solid, which adopts a layered cadmium chloride-like structure. It has a role as a nutraceutical.

Manganese(II) chloride is the dichloride salt of manganese, MnCl2. This inorganic chemical exists in the anhydrous form, as well as the dihydrate (MnCl2·2H2O) and tetrahydrate (MnCl2·4H2O), with the tetrahydrate being the most common form.

Manganese(III) chloride | MnCl3 – PubChem.

Manganese 0.1 mg/mL (Manganese Chloride Injection, USP) is indicated for use as a supplement to intravenous solutions given for TPN. Administration helps to maintain manganese serum levels and to prevent depletion of endogenous stores and subsequent deficiency symptoms.

MnCl₂

MnCl4

Manganese(II) chloride imparts a pale yellow-green color to a flame.

Manganese oxide

Permanganate | MnO4- – PubChem.

The ground state of α-MnO2 is antiferromagnetic due to the symmetric nature of Mn-O-Mn bonds. However, α-MnO2 nanorods prepared through a hydrothermal method using KMnO4 as the precursor have been discovered to show ferromagnetic-like behaviour at very low temperatures (i.e. 5 K)18,19,20,21,22.

MnO occurs in nature as the rare mineral manganosite. Commercially it is prepared by reduction of MnO2 with hydrogen, carbon monoxide or methane, e.g.: MnO2 + H2 → MnO + H2O.

The materials that exhibit the antiferromagnetism are known as antiferromagnetic material. The antiferromagnetic materials are commonly found among the transition metal compounds. Hematite, chromium, alloys of iron manganese and oxides of nickel are the examples of antiferromagnetic material.

Manganese dioxide, a compound with the formula MnO2, is used as a catalyst for rapid oxidation of dissolved iron and manganese, present in the form of ferrous and manganese powder, in contact filters. These salts are oxidized by dissolved oxygen to an insoluble ferric and manganic acid.

Manganese dioxide catalyzes the decomposition of hydrogen peroxide to oxygen and water. With the addition of the synthesized catalyst, MnO2, we can actually lower this activation energy down to about 58 KJ/mole (Moelwyn-Hughes) and that speeds up the decomposition by 1073 times at 200C.

Harmful if inhaled or swallowed. May cause eye, skin, and respiratory tract irritation. Inhalation of fumes may cause metal-fume fever.

Manganese helps activate many enzymes in metabolism and plays a role in a variety of chemical processes in your body. It helps with protein and amino acid digestion and utilization, as well as the metabolism of cholesterol and carbohydrates ( 25 ).

Manganese is a trace mineral. It is vital for the human body, but people only need it in small amounts. Manganese contributes to many bodily functions, including the metabolism of amino acids, cholesterol, glucose, and carbohydrates. It also plays a role in bone formation, blood clotting, and reducing inflammation.

Taking more than 11 mg per day by mouth is POSSIBLY UNSAFE for most adults. Manganese is LIKELY UNSAFE when inhaled by adults for long periods of time. Excess manganese in the body can cause serious side effects, including symptoms resembling Parkinson’s disease, such as shaking (tremors).