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Nickel(II) sulfate

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Identification
Molecular formula
NiSO4(NH3)2
CAS number
7786-81-4
IUPAC name
diammonium;nickelous;disulfate
State
State

Under standard conditions at room temperature, Nickel(II) sulfate exists in various hydrated forms and is usually encountered as a solid crystalline substance.

Melting point (Celsius)
53.00
Melting point (Kelvin)
326.00
Boiling point (Celsius)
840.00
Boiling point (Kelvin)
1 113.00
General information
Molecular weight
154.75g/mol
Molar mass
154.7530g/mol
Density
3.6800g/cm3
Appearence

Nickel(II) sulfate typically appears as blue or green crystals, which are highly soluble in water. The solid is deliquescent, meaning it can absorb moisture from the air and dissolve in it.

Comment on solubility

Solubility of Diammonium Nickelous Disulfate

The solubility of diammonium nickelous disulfate, with the chemical formula (NH4)2Ni(S2O7), is an intriguing aspect of its chemical behavior. Understanding its solubility characteristics can reveal much about its applications and interactions in various environments. Here are some key points to consider:

  • Water Solubility: This compound is generally soluble in water due to the presence of ammonium ions, which are known for their favorable interactions with water molecules.
  • Temperature Effects: The solubility can increase with temperature, as is common with many ionic compounds, allowing for greater dissolution of the salt.
  • pH Influence: The solubility can be affected by the pH of the solution, with more acidic conditions potentially leading to increased solubility due to enhanced ion pairing or solvation effects.
  • Complex Formation: In certain conditions, diammonium nickelous disulfate can form complexes with other ions present in solution, further affecting its solubility and stability.

As is often the case, the solubility can vary based on specific conditions and concentrations. Overall, the ability of diammonium nickelous disulfate to dissolve in water and interact with other ions makes it a compound of interest in both laboratory and industrial contexts. Particularly, its solubility behavior underscores the importance of ionic interactions and environmental conditions in determining the fate of chemical compounds in various applications.

Interesting facts

Interesting Facts About Diammonium Nickelous Disulfate

Diammonium Nickelous Disulfate is a fascinating compound that showcases the unique chemistry of transition metals and ammonium ions. This compound presents a multitude of interesting characteristics and applications:

  • Transition Metal Chemistry: Comprising nickel, a transition metal known for its catalytic properties, this compound often finds its use in various industrial processes and as a precursor for catalysts.
  • Ammonium Ions: The presence of diammonium ions signifies its potential in fertilizers. Ammonium-based fertilizers are crucial for enriching soil nutrient content.
  • Applications in Industry: Diammonium Nickelous Disulfate can be utilized in electroplating and as a chemical reagent in laboratory settings. This versatility makes it significant in chemical synthesis.
  • Environmental Significance: Understanding such compounds helps in the assessment of nickel and ammonium's environmental impacts, especially given nickel's occurrence in natural systems.

Chemical Behavior

This compound is often noted for its ability to form complex ions in solution, highlighting the interactions between nickel and ammonium. Such behavior is interesting not just for academic study but also for practical applications such as:

  • Enhancing electrochemical activities in batteries and fuel cells.
  • Contributing to research in green chemistry by exploring safer alternatives for conventional metals.

In summary, diammonium nickelous disulfate is an exemplary representation of how chemical compounds can reveal deeper insights into both fundamental and applied chemistry. The study of such compounds enriches our understanding of material properties and their practical implications.

Synonyms
NICKEL AMMONIUM SULFATE
Ammonium nickel sulfate
15699-18-0
Ammonium disulfatonickelate(II)
616U208TNX
Nickel ammonium sulfate (Ni(NH4)2(SO4)2)
CHEBI:86151
DTXSID20890763
DIAMMONIUM NICKEL DISULFATE
Niccolum Causticum
DTXCID101031118
239-793-5
Sulfuric acid, ammonium nickel(2+) salt (2:2:1)
Nickel(II) ammonium sulfate
Diammonium nickel bis(sulphate)
diazanium;nickel(2+);disulfate
HSDB 1241
EINECS 239-793-5
Nickel ammonium sulfates
SCHEMBL317682
UNII-616U208TNX
ammonium nickel sulfate (anhydrous)
nickel ammonium sulfate (anhydrous)
NICKEL AMMONIUM SULFATE [MI]
NICKEL AMMONIUM SULFATE [HSDB]
ammonium nickel(2+) sulfate (2/1/2)
NS00085336
SULFURIC ACID AMMONIUM NICKEL(2+) SALT (2:2:1)