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Chromium(VI) oxide

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Identification
Molecular formula
CrO2(OH)2
CAS number
1333-82-0
IUPAC name
dihydroxy(dioxo)chromium
State
State
Chromium(VI) oxide is a solid at room temperature. It is typically in the form of needle-shaped crystals and is hygroscopic in nature.
Melting point (Celsius)
197.00
Melting point (Kelvin)
470.00
Boiling point (Celsius)
250.00
Boiling point (Kelvin)
523.00
General information
Molecular weight
99.99g/mol
Molar mass
99.9940g/mol
Density
2.7000g/cm3
Appearence

Chromium(VI) oxide appears as a bright red or orange-red crystalline solid. It is highly deliquescent and can absorb moisture readily from the air. It has a very distinctive color and is often in the form of needle-shaped crystals.

Comment on solubility

Solubility of Dihydroxy(dioxo)chromium

Dihydroxy(dioxo)chromium, with the chemical formula Cr(OH)2(O)2, is an interesting compound that exhibits varying solubility characteristics based on its form and the solvent used. Here are some key points regarding its solubility:

  • The solubility of chromium compounds often depends on the oxidation state of chromium; in this case, the presence of both hydroxy and oxo functional groups can influence solubility.
  • Dihydroxy(dioxo)chromium tends to be more soluble in basic solutions due to the formation of soluble chromium complexes.
  • In acidic environments, the solubility might decrease as the compound can precipitate out as less soluble derivatives.
  • Temperature and ionic strength of the solvent can also play a significant role in solubility, with increased temperature generally leading to increased solubility.
  • For practical applications, it is essential to consider the solubility limits when formulating solutions for any experimental setups involving this compound.

Understanding the solubility of dihydroxy(dioxo)chromium is crucial, as successful reactions often require achieving optimal concentrations in solution. As such, precise measurements and conditions should be monitored. Remember, the phrase: "Solubility is a key to unlocking the potential of chemical compounds."

Interesting facts

Interesting Facts about Dihydroxy(dioxo)chromium

Dihydroxy(dioxo)chromium is a fascinating compound that piques the interest of scientists and chemistry students alike due to its unique properties and applications. Here are some key points to consider:

  • Chromium's Versatility: Chromium is known for its versatility in various oxidation states, and in this compound, it showcases its +6 oxidation state, which is significant in various industrial processes.
  • Catalytic Properties: This compound often serves as a catalyst in organic reactions, facilitating processes such as oxidation, making it invaluable in chemical synthesis.
  • Environmental Impact: As an important compound in sustainable chemistry, it plays a critical role in studies related to environmental remediation, particularly in removing pollutants from soil and water.
  • Biochemical Relevance: Dihydroxy(dioxo)chromium has drawn attention in the fields of biochemistry, where its interactions with biological systems are studied, particularly its potential effects on cellular processes.
  • Safety Concerns: With its connection to both beneficial applications and potential toxicity, researchers emphasize the importance of handling compounds containing chromium with care due to their environmental and health implications.

As noted by renowned chemists, "The study of chromium compounds not only helps us understand their diverse chemical behavior but also their environmental significance." This compound exemplifies the delicate balance between utility and safety in the realm of chemistry, making it a poignant subject for further research and exploration.


Synonyms
CHROMIC ACID
Chromic(VI) acid
Acide chromique
Caswell No. 221
tetraoxochromic acid
CCRIS 8994
HSDB 6769
UNII-SA8VOV0V7Q
SA8VOV0V7Q
EINECS 231-801-5
EPA Pesticide Chemical Code 021101
AI3-51760
dihydroxidodioxidochromium
dihydrogen(tetraaoxidochromate)
DTXSID8034455
CHEBI:33143
J34.508C
CHROMIUM HYDROXIDE OXIDE (CR(OH)2O2)
(CrO2(OH)2)
[CrO2(OH)2]
Chromium hydrogen oxide
Pesticide Code: 021101
DTXCID6014455
231-801-5
7738-94-5
dihydroxy(dioxo)chromium
Chromic acid (H2CrO4)
Acide chromique [French]
AKOS025243247
NS00093462
Q422642