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Aluminium sulfate

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Identification
Molecular formula
Al2(SO4)3·3H2O
CAS number
7784-31-8
IUPAC name
alumane;trihydrate
State
State

At room temperature, Aluminium sulfate trihydrate is in a solid state. It is commonly encountered as white granules or crystals.

Melting point (Celsius)
92.50
Melting point (Kelvin)
365.65
Boiling point (Celsius)
200.00
Boiling point (Kelvin)
473.15
General information
Molecular weight
342.15g/mol
Molar mass
342.1500g/mol
Density
1.6200g/cm3
Appearence

Aluminium sulfate trihydrate typically appears as a white crystalline solid. Although it is usually found in crystal form, it can become powdery upon exposure to air due to the loss of its water of hydration.

Comment on solubility

Solubility of Alumane Trihydrate

Alumane, specifically in its trihydrate form, exhibits a unique solubility profile that is worth exploring. As a chemical compound, its solubility can be influenced by several factors:

  • Polar Solvents: Alumane trihydrate typically dissolves well in polar solvents such as water due to its ionic nature.
  • Temperature Effect: Increased temperature often enhances solubility, making it easier for alumane trihydrate to interact and dissociate in solution.
  • pH Sensitivity: The solubility may also be affected by the pH of the solution, where acidic or basic conditions could play a role in the dissolution process.

It is often noted that "salts and hydrates tend to have better solubility in polar environments," which holds true for alumane trihydrate as well. When considering practical applications or reactions, understanding its solubility characteristics is essential. With this knowledge, one can optimize conditions for effective use in various chemical processes and formulations.

Interesting facts

Interesting Facts about Alumane Trihydrate

Alumane trihydrate is a fascinating compound that attracts attention not only for its chemical properties, but also for its applications and historical significance. Here are some intriguing points to consider:

  • Chemical Structure: Alumane trihydrate features a unique association with aluminum and water molecules, representing an intriguing interplay between metal and hydration.
  • Hydration Role: The presence of water in this compound not only stabilizes its structure but also impacts its reactivity and solubility in various solvents.
  • Applications: It is primarily utilized in the production of aluminum compounds and has been studied for its potential uses in catalysis and material science.
  • Environmental Context: Its role in environmental processes, such as the interaction with various soil minerals, highlights its importance in geochemistry.
  • Similarities and Differences: Alumane trihydrate can be compared to other aluminum hydrates, showcasing the vast chemistry of aluminum compounds.

As one delves into the study of alumane trihydrate, it becomes clear that this compound exemplifies the complexity and beauty of chemistry, illustrating how even simple compounds can have profound implications in science and industry. Its study can lead to developments in a variety of fields, including materials engineering and environmental science.

In the words of the renowned chemist, "Chemistry is the art of transformation." Indeed, alumane trihydrate embodies this art, serving as a bridge between basic chemistry and innovative applications.