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Iron(III) chloride hexahydrate

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Identification
Molecular formula
FeCl3·6H2O
CAS number
10025-77-1
IUPAC name
ferric;trichloride;hexahydrate
State
State
At room temperature, iron(III) chloride hexahydrate typically exists as a solid crystalline substance.
Melting point (Celsius)
37.00
Melting point (Kelvin)
310.00
Boiling point (Celsius)
480.00
Boiling point (Kelvin)
753.00
General information
Molecular weight
270.30g/mol
Molar mass
270.2950g/mol
Density
1.8200g/cm3
Appearence

Iron(III) chloride hexahydrate appears as orange-yellow crystals. These crystals are typically highly soluble in water, turning the water a yellow to brown color. Due to its crystalline structure, it is also deliquescent, meaning it can absorb moisture from the air and dissolve in it.

Comment on solubility

Solubility of Ferric Trichloride Hexahydrate (FeCl3·6H2O)

Ferric trichloride hexahydrate, a compound with the formula FeCl3·6H2O, presents interesting solubility properties that are valuable for both laboratory and industrial applications.

Some key points to consider regarding its solubility include:

  • Solvent Compatibility: FeCl3·6H2O is highly soluble in water, which makes it particularly useful in aqueous reactions.
  • Temperature Influence: The solubility can increase with temperature, as higher temperatures generally promote dissolution in ionic compounds.
  • Ionic Nature: As a salt formed from ferric ions and chloride ions, its ionic structure contributes to its high solubility in polar solvents like water.
  • Color Change: Upon dissolution, ferric ions impart a distinct yellow-brown color to the solution, which can serve as a visual indication of concentration.

“The greater the polarity of the solvent, the greater the solubility of ionic compounds.” This statement holds particularly true for FeCl3·6H2O, validating its extensive use in various applications.

In less polar solvents, the solubility would decrease significantly, making FeCl3·6H2O mainly applicable in aqueous systems.

In summary, the solubility of ferric trichloride hexahydrate is an essential characteristic that facilitates its application across diverse fields, including chemistry, biology, and environmental science.

Interesting facts

Ferric Trichloride Hexahydrate: An Intriguing Compound

Ferric trichloride hexahydrate, commonly known in the laboratory as ferric chloride, is more than just a salt; it plays a diverse role in various fields, such as chemistry, medicine, and environmental science. Here are some fascinating aspects of this unique compound:

  • Industrial Usage: Ferric trichloride is widely utilized in waste treatment. Its properties enable it to precipitate phosphates and sulfides, making it crucial for purifying drinking water.
  • Catalytic Qualities: As a Lewis acid, it serves as a catalyst in several organic reactions, including the Friedel-Crafts reaction, where it helps to form carbon-carbon bonds.
  • In Laboratory Research: The hexahydrate form is often employed in chemical synthesis for its solubility and reactivity, aiding researchers in various experimental setups.
  • Electrolysis Applications: Ferric chloride is utilized in the electrolysis of water, contributing to the understanding of oxidation-reduction reactions.

Interestingly, its vibrant color can serve as a visual indicator in various chemical processes. As noted by scientists, "The profound color change observed during reactions involving ferric chloride often provides immediate insight into the progress of a reaction." This characteristic can be a valuable teaching tool, making it a favorite among chemistry educators.

In biochemistry, ferric trichloride hexahydrate's role is also significant. It can interact with biological molecules, altering their reactivity and stability, which leads to exciting research opportunities in drug development and bioengineering.

To conclude, ferric trichloride hexahydrate is a fascinating compound with multiple applications and rich chemistry that continues to captivate scientists across various disciplines. Its practical applications and chemical behavior make it an essential part of both theoretical and applied chemistry.

Synonyms
CID 24810