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Iron(III) oxide

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Identification
Molecular formula
Fe2O3
CAS number
1309-37-1
IUPAC name
diferric;oxygen(2-)
State
State

Solid at room temperature.

Melting point (Celsius)
1 565.00
Melting point (Kelvin)
1 838.00
Boiling point (Celsius)
2 850.00
Boiling point (Kelvin)
3 123.00
General information
Molecular weight
159.69g/mol
Molar mass
159.6870g/mol
Density
5.2400g/cm3
Appearence

Iron(III) oxide, also known as ferric oxide, has a reddish-brown color. It commonly occurs in nature as the mineral hematite and is also the main component of rust. It can appear as a fine powder and has a slightly flaky texture.

Comment on solubility

Solubility of Diferric Oxygen(2-)

The compound diferric oxygen(2-) exhibits unique solubility characteristics that are important to consider. Understanding its solubility behavior involves several key points:

  • Solvent Interaction: Diferric oxygen(2-) tends to have moderate solubility in polar solvents due to its ionic nature, which facilitates interactions with solvent molecules.
  • Temperature Dependency: As is typical with many ionic compounds, solubility may increase with rising temperatures, allowing for a greater dissolution rate under heated conditions.
  • pH Influence: The solubility can also be influenced by pH levels; in more acidic or basic environments, the ionization and stability of the compound can vary, leading to changes in solubility.
  • Ionic Strength: The presence of other ions can affect solubility through the common ion effect, where additional ions in solution may decrease the solubility of diferric oxygen(2-).

In summary, the solubility of diferric oxygen(2-) is dependent on various factors including solvent type, temperature, pH, and ionic strength. This complex interplay determines its behavior in solution, making it essential for practical applications and further studies.

Interesting facts

Interesting Facts About Diferric Oxygen(Ion)

Diferric oxygen(2-) is a fascinating compound that plays a crucial role in biological systems, particularly in iron metabolism and oxygen transport. Here are some compelling insights into this compound:

  • Biological Importance: It is essential in the context of hemoglobin and myoglobin, where iron is vital for oxygen binding and transport in living organisms.
  • Redox Activity: Diferric ions are involved in various redox reactions, making them critical in cellular respiration and energy production.
  • Environmental Impact: Understanding diferric compounds aids in the study of iron cycling in natural waters, influencing the health of aquatic ecosystems.
  • Coordination Chemistry: The study of diferric complexes can provide insights into the design of synthetic catalysts and materials with specialized functions.
  • Medical Applications: Knowledge of diferric ions contributes to advancements in medical chemistry, particularly in the development of oxygen-carrying blood substitutes.

Moreover, diferric oxygen(2-) serves as a prime example of how essential trace metals function in biochemistry. As stated in research, “Iron is not just an element; it is a cornerstone of life itself.” Exploring its properties opens up avenues for innovations in health and environmental science, underscoring its significance in both natural and synthetic processes.

Synonyms
HEMATITE
1317-60-8
Hematite (Fe2O3)
Haematite
Blood stone
Iron ore
iron(3+);oxygen(2-)
Iron(III)oxide
Raphisiderite
Oligist
Specularite
Miox
Iron, specular
Red Iron ORE
CCRIS 4377
Iron oxide, synthetic
HSDB 2964
EINECS 215-275-4
Hematite [WHO-DD]
HAEMATITUM [CHP]
COSMETIC RED OXIDE
FERRIC OXIDE [MI]
EC 215-275-4
FERRIC OXIDE [VANDF]
Iron(III) oxide (Fe2O3)
IRON OXIDE (E172)
IRON OXIDE REDDISH-BROWN
FERRIC OXIDE,RED [VANDF]
RED IRON OXIDE R 1599D
IRON(III) OXIDE (E 172)
AKOS025296075
FERRIC OXIDE RED [GREEN BOOK]
FERRIC OXIDE (ANHYDROUS) [NF]
IRON OXIDE, RED (172(II))
Haematite, underground mining with exposure to radon [Haematite and ferric oxide]
Q103223
Q419170
Haematite, underground mining with exposure to radon
12002-17-4