Skip to main content

Cobalt(II) sulfate

ADVERTISEMENT
Identification
Molecular formula
CoSO4
CAS number
10124-43-3
IUPAC name
cobaltous;sulfate
State
State

In its heptahydrate form, cobalt(II) sulfate is typically found as a solid at room temperature.

Melting point (Celsius)
96.80
Melting point (Kelvin)
369.80
Boiling point (Celsius)
735.00
Boiling point (Kelvin)
1 008.00
General information
Molecular weight
155.01g/mol
Molar mass
155.0070g/mol
Density
3.7100g/cm3
Appearence

The compound forms red monoclinic crystals when anhydrous and light pink crystals when it is in its heptahydrate form.

Comment on solubility

Solubility of Cobalt(II) Sulfate

Cobalt(II) sulfate, with the chemical formula CoSO4, is a fascinating compound when it comes to its solubility characteristics. Understanding its solubility can provide insights into its behavior in various environmental and industrial processes.

Solubility Characteristics

  • Water Solubility: Cobalt(II) sulfate is known to be soluble in water, which makes it accessible for various applications. At room temperature, it can dissolve readily, facilitating its use in aqueous solutions.
  • Solvent Effect: The solubility may vary depending on the temperature. Typically, an increase in temperature leads to an increase in solubility, highlighting the compound's thermal response.
  • Solubility in Other Solvents: While it dissolves well in water, its solubility in organic solvents is quite limited, which is a significant factor in its use in chemical processes.

Factors Influencing Solubility

Several factors can influence the solubility of cobalt(II) sulfate:

  • Ionic Strength: The presence of other ions in solution can either enhance or inhibit the solubility of CoSO4.
  • pH Levels: The pH of the solution can also play a critical role; generally, acidic conditions tend to favor the solubility of cobalt salts.
  • Hydration Energy: The hydration energy associated with the ions can significantly affect how readily cobalt(II) sulfate dissolves in water.

In conclusion, cobalt(II) sulfate's solubility in water and the factors affecting it offer valuable insights for its applications in various fields, from agriculture to industrial processing. Understanding these solubility dynamics is crucial for optimizing its usage.

Interesting facts

Interesting Facts about Cobalt(II) Sulfate

Cobalt(II) sulfate, often referred to as cobaltous sulfate, is a fascinating compound with a range of applications and significance in various fields. Here are some compelling facts:

  • Chemical Role: Cobalt(II) sulfate is commonly used as a precursor for the production of other cobalt compounds. This makes it invaluable in the synthesis of materials where cobalt is a key component.
  • Electroplating: It plays a critical role in the electroplating industry, particularly in the plating of metals to enhance their corrosion resistance and aesthetic appeal.
  • Biological Importance: Cobalt is an essential trace element in the diet of humans and animals, largely due to its role in the formation of vitamin B12. This vitamin is crucial for red blood cell formation and proper neurological function.
  • Color and Appearance: Cobalt(II) sulfate is known for its striking blue color, which can be attributed to its coordination with water molecules. This color makes it easy to identify in laboratory settings.
  • Hydration Forms: The compound can exist in various hydrated forms, most notably as cobalt(II) sulfate heptahydrate, which contains seven water molecules. These forms have different properties and uses, demonstrating the versatility of cobalt(II) sulfate.

As a chemical student or scientist, it's useful to remember that cobalt(II) sulfate's significance extends far beyond its chemical composition; it impacts various aspects of both technology and biology.

In summary, cobalt(II) sulfate is not just a simple compound; its applications in industry, its role in biology, and its distinct properties make it an interesting subject of study!

Synonyms
Cobalt sulfate
Cobaltous sulfate
Cobalt(2+) sulfate
10124-43-3
Cobalt sulphate
Cobalt(II) sulfate
Sulfuric acid, cobalt(2+) salt (1:1)
HSDB 240
EINECS 233-334-2
UNII-H7965X29HX
COBALTOUS SULFATE [MI]
COBALT SULFATE [WHO-DD]
COBALTOUS SULFATE [HSDB]
DTXSID1031042
EC 233-334-2
cobalt sulfate, heptahydrate
Cobalt monosulphate
Cobalt sulfic acid
Cobalt sulphic acid
Cobalt (2+) sulphate
Cobalt sulphate (CoSO4)
Cobalt sulfate, 7-hydrate
Cobalt (II) sulfate (1:1)
Cobaltous sulphate salt (1:1)
DTXCID9011042
lambda2-cobalt(2+) ion sulfate
Sulfuric acid, cobalt (2+) salt
Sulfuric Acid, Cobalt (2+) Salt (1:1) Heptahydrate
233-334-2
Cobalt Brown
Cobalt monosulfate
Cobalt(II) sulphate
Cobalt (2+) sulfate
Cobalt sulfate (1:1)
cobalt(2+);sulfate
Cobalt(II) sulfate (1:1)
cobalt(+2) cation sulfate
139939-65-4
H7965X29HX
Cobalt sulfate (CoSO4)
Cobaltous sulfate salt (1:1)
COBALT (II) SULFATE
CoSO4
COBALTOUS SULPHATE
SCHEMBL66745
COBALT(2+) SULPHATE
Cobalt(II) sulfate, anhydrous
CHEBI:53470
COBALT SULPHATE (1:1)
MFCD00010943
AKOS015903535
NS00093586
C17383
A800357
Q411214
Sulfuric acid,cobalt(2+) salt (1:1), hydrate (9CI)