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Aluminum Sodium Disulfate Dodecahydrate

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Identification
Molecular formula
NaAl(SO4)2·12H2O
CAS number
10102-71-3
IUPAC name
aluminum;sodium;disulfate;dodecahydrate
State
State

At room temperature, aluminum sodium disulfate dodecahydrate is a solid. It is typically found in a hydrated form, containing water in its crystalline structure, which results in the dodecahydrate form.

Melting point (Celsius)
61.00
Melting point (Kelvin)
334.15
Boiling point (Celsius)
100.00
Boiling point (Kelvin)
373.15
General information
Molecular weight
500.12g/mol
Molar mass
500.1220g/mol
Density
1.6900g/cm3
Appearence

Aluminum sodium disulfate dodecahydrate appears as translucent crystals. These crystals are often white and odorless, typically forming a crystalline solid that is visually similar to other hydrated sulfate salts.

Comment on solubility

Solubility of Aluminum Sodium Disulfate Dodecahydrate

Aluminum sodium disulfate dodecahydrate, often represented by the formula AlNa(SO4)2·12H2O, is notably characterized by its solubility properties. As a hydrated salt, it possesses unique interactions with water that enhance its solubility. Here are some key points regarding its solubility:

  • High Solubility: Aluminum sodium disulfate is generally highly soluble in water, which makes it useful in various chemical applications.
  • Temperature Dependency: Solubility can increase with temperature, meaning that hot water may dissolve larger quantities compared to cold water.
  • Concentration Limits: While it is soluble, there is a limit to how much can dissolve in a given amount of water before reaching saturation.

According to solubility principles, salts like aluminum sodium disulfate dodecahydrate tend to dissociate into their ionic components when dissolved, contributing to the overall ionic strength of the solution:

  • Produces Al3+ ions
  • Produces Na+ ions
  • Produces SO42– ions

This dissociation is crucial for its utility in various formulations and processes. However, it’s important to consider environmental factors and potential precipitation at higher concentrations, which can affect practical applications.

In summary, aluminum sodium disulfate dodecahydrate is highly soluble in water, reliant on temperature and concentration dynamics, and presents interesting ion interactions that make it a versatile compound in chemistry.

Interesting facts

Interesting Facts About Aluminum Sodium Disulfate Dodecahydrate

Aluminum sodium disulfate dodecahydrate, commonly known for its role as a reagent in various chemical processes, carries a rich background of applications and attributes that make it fascinating for chemists and students alike.

Key Applications

  • Reagent in Chemistry: This compound is often utilized in analytical chemistry as a reagent for various testing purposes.
  • Water Treatment: It plays a significant role in water purification processes by acting as a coagulant.
  • Pigment Production: Its usefulness extends to the manufacturing of pigments for paints and coatings.

Chemical Properties

One of the standout features of aluminum sodium disulfate dodecahydrate is its stability and solubility in water, making it easily applicable in many aqueous-oriented processes. Its ability to dissociate during reactions allows it to act efficiently in facilitating chemical transformations.

Curiosities

  • The dodecahydrate form indicates that this compound contains twelve molecules of water for each formula unit. This water solvation is essential for its stability.
  • This compound is part of a larger group known as metal sulfates, which have unique properties that lead to different industrial and laboratory uses.

Environmental Impact

When using aluminum sodium disulfate, it's crucial for scientists and industries to be aware of its potential environmental implications. Practices involving proper disposal and management of waste can mitigate risks associated with its use, ensuring a safe and sustainable approach to its applications.

In summary, aluminum sodium disulfate dodecahydrate combines versatility with a wide array of uses, from laboratory applications to industrial processes, marking its significance in the realm of chemical science.

Synonyms
SODIUM ALUM
7784-28-3
Sodium aluminum sulfate dodecahydrate
Alum, porous
Alum, sodium
Aluminum sodium disulfate dodecahydrate
HSDB 2686
aluminum sodium sulfate dodecahydrate
1224CG79TA
Monoaluminum monosodium disulfate dodecahydrate
Sulfuric acid, aluminum sodium salt (2:1:1), dodecahydrate
SODIUM ALUM [HSDB]
Aluminum sodium sulfate (AlNa(SO4)2) dodecahydrate
SODIUM ALUM DODECAHYDRATE
Sodium aluminum sulfate dodecahydrate (NaAl(SO4)2.12H2O)
DTXSID7044263
ALUMINIUM SODIUM SULFATE DODECAHYDRATE
ALUMINUM SODIUM SULPHATE DODECAHYDRATE
ALUMINIUM SODIUM DISULFATE DODECAHYDRATE
ALUMINUM SODIUM DISULPHATE DODECAHYDRATE
SULFURIC ACID, ALUMINIUM SODIUM SALT (2:1:1), DODECAHYDRATE
SODIUM ALUM [INCI]
DTXCID5024263
Aluminium sodium sulfate 12-water
aluminum;sodium;disulfate;dodecahydrate
UNII-1224CG79TA
ZEMWIYASLJTEHQ-UHFFFAOYSA-J
Aluminum sodium sulfate,dodecahydrate
NS00129138
Q26840872