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Manganese(II) chloride is the dichloride salt of manganese, MnCl 2. This inorganic chemical exists in the anhydrous form, as well as the di hydrate (MnCl 2 ·2H 2 O) and tetrahydrate (MnCl 2 ·4H 2 O), with the tetrahydrate being the most common form.
Manganese(III) chloride is the hypothetical inorganic compound with the formula MnCl 3. The existence of this binary halide has not been demonstrated. [ 1 ] [ 2 ] Nonetheless, many derivatives of MnCl 3 are known, such as MnCl 3 (THF) 3 and the bench-stable MnCl 3 (OPPh 3 ) 2 .
Manganese chloride may refer to: Manganese(II) chloride (manganous chloride, manganese dichloride), MnCl 2, stable pink solid; Manganese(III) chloride (manganic ...
The manganese(II) compounds are often light pink solids. Like some other metal difluorides, MnF 2 crystallizes in the rutile structure, which features octahedral Mn centers. [29] and it is used in the manufacture of special kinds of glass and lasers. [30] Scacchite is the natural, anhydrous form of manganese(II) chloride. [31]
Commercial manganese powder is not suited for the synthesis of organomanganese compounds. In 1996 Rieke introduced activated manganese (see Rieke metal) obtained by reaction of anhydrous manganese(II) chloride with lithium metal in a solution of a catalytic amount of naphthalene in THF. Other reducing agents are potassium graphite and magnesium.
Substance Formula 0 °C 10 °C 20 °C 30 °C 40 °C 50 °C 60 °C 70 °C 80 °C 90 °C 100 °C Barium acetate: Ba(C 2 H 3 O 2) 2: 58.8: 62: 72: 75: 78.5: 77: 75
Manganese(II) sulfate usually refers to the inorganic compound with the formula MnSO 4 ·H 2 O. This pale pink deliquescent solid is a commercially significant manganese(II) salt. Approximately 260,000 tonnes of manganese(II) sulfate were produced worldwide in 2005. It is the precursor to manganese metal and many other chemical compounds.
The anhydrous material and dihydrate Mn(CH 3 CO 2) 2 ·2H 2 O are coordination polymers. The dihydrate has been characterized by X-ray crystallography. Each Mn(II) center is surrounded by six oxygen centers provided by aquo ligands and acetates. Subunit of the structure of the dihydrate of manganese(II) acetate. [5]