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Cobalt(II) nitrate hexahydrate

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Identification
Molecular formula
Co(NO3)2·6H2O
CAS number
10026-22-9
IUPAC name
cobaltous;dinitrate;hexahydrate
State
State
At room temperature, cobalt(II) nitrate hexahydrate is in a solid state. This compound readily dissolves in water, forming a pink solution.
Melting point (Celsius)
55.00
Melting point (Kelvin)
328.15
Boiling point (Celsius)
104.00
Boiling point (Kelvin)
377.15
General information
Molecular weight
291.03g/mol
Molar mass
291.0340g/mol
Density
1.8795g/cm3
Appearence

Appearance: Cobalt(II) nitrate hexahydrate typically appears as red crystalline solid. It is somewhat deliquescent, absorbing water from the air on prolonged exposure. The vivid red color is characteristic due to the presence of cobalt ions.

Comment on solubility

Solubility of Cobaltous Dinitrate Hexahydrate

Cobaltous dinitrate hexahydrate, represented by the formula Co(NO2)2·6H2O, exhibits interesting solubility characteristics that are worth exploring.

In general, cobaltous dinitrate hexahydrate is known to be highly soluble in water, demonstrating a few key points:

  • Effect of Temperature: The solubility of cobaltous dinitrate typically increases with rising temperatures.
  • Aqueous Solutions: When dissolved in water, it dissociates into cobalt(II) ions (Co2+) and nitrate ions (NO3), contributing to its conductivity.
  • Polar Nature: Being a polar compound, cobaltous dinitrate readily interacts with water molecules, aiding its solubility.

It is also notable that while cobaltous dinitrate hexahydrate is soluble in alcohols like methanol and ethanol, its solubility in organic solvents is considerably less, reflecting its inorganic nature.

In summary, cobaltous dinitrate hexahydrate is characterized by strong solubility in polar solvents, primarily water, making it suitable for various applications in coordination chemistry and other chemical processes.

Interesting facts

Interesting Facts About Cobaltous Dinitrate Hexahydrate

Cobaltous dinitrate hexahydrate, a fascinating hydrate of cobalt, is an important compound in the world of chemistry and materials science. Here are some intriguing aspects of this compound:

  • Hydration and Stability: The "hexahydrate" aspect denotes that this compound contains six molecules of water integrated into its crystalline structure. This hydration plays a crucial role in enhancing the compound's stability and reactivity.
  • Colorful Chemistry: Cobalt compounds, including cobaltous dinitrate, often exhibit vibrant colors. Cobalt ions are well-known for their beautiful blue and pink hues, which can be attributed to their electronic configurations and the ligands they are coordinated with.
  • Applications: This compound is utilized in various fields such as:
    • Catalysis: Cobaltous dinitrate can act as a catalyst in various chemical reactions, improving efficiency and yield.
    • Electroplating: It is used in electroplating processes to produce corrosion-resistant surfaces on metals.
    • Photography: Cobalt compounds can be involved in certain photographic processes due to their light-sensitive properties.
  • Health and Safety: Like many cobalt compounds, cobaltous dinitrate hexahydrate must be handled with care. Cobalt can pose health risks, including respiratory and skin irritations, making proper safety measures essential.

In summary, cobaltous dinitrate hexahydrate is not only a visually striking compound but also a multifaceted one with important roles in various scientific and industrial applications. Its unique properties continue to intrigue scientists and chemists alike.

Synonyms
Cobalt(II) nitrate hexahydrate
Cobaltous nitrate hexahydrate
Cobalt dinitrate hexahydrate
COBALTUM NITRICUM
UNII-2H2166872F
Co(NO3)2.6H2O
2H2166872F
CHEBI:86214
cobalt(2+) nitrate--water (1/6)
10026-22-9
Cobalt nitrate hexahydrate
Cobalt(2+) nitrate hexahydrate
Cobalt (II) Nitrate Hexahydrate
cobalt(2+);dinitrate;hexahydrate
MFCD00149647
Nitric acid, cobalt(2+) salt, hydrate (2:1:6)
NITRIC ACID, COBALT(2+) SALT, HEXAHYDRATE
Cobalt(II)nitratehexa hydrate
23730-86-1
Dinitrate cobalt hexahydrate
Cobalt(2+), hexaaqua-, dinitrate
Cobalt(2+) Dinitrate Hexahydrate; Cobalt(2+) Nitrate Hexahydrate; Cobalt(II) Nitrate Hexahydrate; Cobaltous Dinitrate Hexahydrate; Cobaltous Nitrate Hexahydrate;
SCHEMBL72146
COBALTUM NITRICUM [HPUS]
DTXSID3073135
AKOS025243254
COBALTOUS NITRATE HEXAHYDRATE [MI]
D78339
Cobalt(II) nitrate hexahydrate (99.999%-Co)
Q27159001
Cobaltous nitrate hexahydrate, Cobaltous nitrate, Nitric acid, cobalt(II) salt