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Manganese(III) oxide

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Identification
Molecular formula
Mn2O3
CAS number
1317-34-6
IUPAC name
hydroxy(oxo)manganese;manganese
State
State

At room temperature, manganese(III) oxide is generally a solid.

Melting point (Celsius)
1 536.00
Melting point (Kelvin)
1 809.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
157.87g/mol
Molar mass
228.8100g/mol
Density
4.5000g/cm3
Appearence

Manganese(III) oxide appears as a brown or black powder. Its color can vary depending on the specific form and conditions, but it is distinctively dark in appearance.

Comment on solubility

Solubility of Hydroxy(oxo)manganese

The solubility of hydroxy(oxo)manganese can vary significantly depending on several factors. Understanding these aspects is essential for practical applications. Here are some key points to consider:

  • Solvent Dependence: Hydroxy(oxo)manganese may show different solubility profiles in various solvents such as water and organic solvents. Typically, ionic and polar compounds dissolve better in polar solvents.
  • pH Levels: The solubility can be influenced by the pH of the solution. For example, in more acidic or basic environments, the ionization state of the compound may change, affecting its ability to dissolve.
  • Temperature Involvement: Higher temperatures generally increase solubility for many compounds. However, this is not a universal rule and can vary based on specific interactions.
  • Complex Formation: Hydroxy(oxo)manganese might interact with other ions or molecules present in a solution, leading to complex formation which can enhance or decrease its solubility.

Due to these factors, solubility must be assessed under specific conditions. As a general statement, it is often said that "the more complex the interaction, the less predictable the solubility." Therefore, thorough experimental investigations are advisable for accurate solubility assessments.

Interesting facts

Interesting Facts About Hydroxy(oxo)manganese

Hydroxy(oxo)manganese is a fascinating chemical compound that exhibits unique properties due to the presence of manganese, a transition metal known for its various oxidation states. Here are some intriguing insights into this compound:

  • Manganese's Versatility: Manganese is known for its capability to exist in multiple oxidation states, which range from -3 to +7. This versatility allows hydroxy(oxo)manganese to participate in a variety of chemical reactions, making it an important player in redox processes.
  • Biological Importance: Manganese is essential for a number of biological processes. As a trace element, it plays a critical role in enzymatic functions, particularly in the formation of important antioxidants that protect cells from oxidative damage.
  • Environmental Applications: Compounds containing manganese, including hydroxy(oxo)manganese, are researched for their potential in environmental remediation. They can assist in the oxidation of pollutants and serve as catalysts in various chemical reactions, contributing to cleaner technologies.
  • Color Chemistry: Manganese compounds are well-known for their vibrant colors, which arise from electronic transitions in the d-orbitals of manganese. This characteristic enables their use as pigments in various applications, from art to construction materials.
  • Research and Development: Hydroxy(oxo)manganese and its derivatives are subjects of ongoing research, particularly in the fields of catalysis and materials science, where they are being explored for innovative applications in energy storage and conversion.

As a chemical scientist or a chemistry student, understanding the properties and applications of hydroxy(oxo)manganese opens up exciting avenues for exploration, particularly in the role of transition metals in both nature and technology.

Synonyms
MANGANESE TETROXIDE
Trimanganese tetroxide
EINECS 215-266-5
EC 215-266-5
Manganese (II,III) oxide
Manganese tetroxide (ACGIH)
MANGANESE OXIDE; (MANGANESE TETROXIDE)
manganese tetraoxide
hydroxy(oxo)manganese;manganese
M 34
UNII-70N6PQL9JS
AKOS015903591
NCGC00166257-02
NCGC00166257-03
NS00074376
215-266-5