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Potassium Manganate(VI) - K₂MnO₄ (potassium manganese tetroxide) Formula: K₂MnO₄
Common Name: Potassium Manganate
Appearance: Dark green crystalline solid, often as powder or small crystals. Forms intensely green solutions in water.
Key Property: Contains manganese in the +6 oxidation state (Mn(VI)).
Solubility: Soluble in water, giving characteristic green solutions. Slightly soluble in alcohols like ethanol.
Stability: Unstable under...
Manganese dioxide exhibits a dark color primarily appearing black in its most common forms. Pure crystalline manganese dioxide is typically jet black. This deep black color is characteristic of its bulk mineral form. When finely ground into a powder manganese dioxide usually appears charcoal gray to black. The particle size significantly influences the exact shade observed. Natural manganese dioxide ore often appears dark brown to black...
Manganese dioxide is a versatile inorganic compound appearing as a blackish powder. It serves critical roles across industries including battery manufacturing, water treatment, ceramics, and chemical synthesis. Finding reliable sources requires targeting specialized suppliers. Chemical supply companies are primary options. Major global distributors like Sigma-Aldrich, Fisher Scientific, and VWR offer various grades of manganese dioxide with...
Buying manganese dioxide requires understanding its properties and applications to ensure you get the right product. Manganese dioxide is a common inorganic compound with the formula MnO2. It appears as a black or brown solid and is valued for its chemical reactivity. Key uses include battery manufacturing where it acts as a cathode material in alkaline and zinc-carbon batteries. It also serves in water treatment to remove iron and hydrogen...
Manganese oxide powder encompasses several compounds primarily composed of manganese and oxygen. Key forms include manganese dioxide (MnO₂), manganese(II,III) oxide (Mn₃O₄), and manganese(III) oxide (Mn₂O₃). Typically appearing as a dark brown or black fine powder, it is insoluble in water and exhibits significant chemical stability under standard conditions. This powder is valued for its catalytic, electrochemical, and pigment...
Magnesium oxide, commonly called magnesia, is a white solid mineral with the chemical formula MgO. It occurs naturally as periclase but is primarily produced industrially by calcining magnesium carbonate or magnesium hydroxide. This compound possesses an exceptionally high melting point of approximately 2852 degrees Celsius, making it invaluable as a refractory material in furnace linings and crucibles for high-temperature processes like steel...
Manganese oxide represents a group of chemical compounds combining manganese and oxygen atoms. The most prevalent natural form is manganese dioxide, known as the mineral pyrolusite. Other oxides include MnO and Mn2O3. These compounds typically appear as dark brown or black solids, insoluble in water. Manganese dioxide holds significant industrial importance. It serves as a crucial cathode material in common dry-cell batteries, including alkaline...
Manganese oxide molar mass refers to the mass in grams per mole of manganese oxide compounds. Molar mass is calculated by summing the atomic masses of all atoms in the compound's formula, using standard atomic weights: Manganese (Mn) approximately 55 grams per mole and Oxygen (O) approximately 16 grams per mole. Different manganese oxides exist due to varying manganese oxidation states, leading to distinct formulas and thus different molar...
Manganese dioxide powder known chemically as MnO2 is a vital inorganic compound occurring naturally as the mineral pyrolusite It appears as a dark brown to black fine powder insoluble in water and notable for its strong oxidizing capabilities This versatile material plays a crucial role in numerous industrial applications Its most recognized use is in dry cell batteries including alkaline and zinc carbon types where it acts as a cathode...
Manganese Trioxide Bookmark Notes (manganese trioxide) **What Is It?**
Manganese trioxide, chemical formula Mn2O3, is an inorganic compound. It's one of several oxides formed by manganese. This specific oxide features manganese in the +3 oxidation state. It appears as a black or dark brown solid. **Key Properties**
* **Appearance:** Black or dark brown crystalline powder.
* **Stability:** Relatively stable under normal conditions but decomposes...