Skip to main content

Nickel(II) chloride

ADVERTISEMENT
Identification
Molecular formula
NiCl2
CAS number
7718-54-9
IUPAC name
dichloronickel
State
State

At room temperature, Nickel(II) chloride is typically found in either solid form as anhydrous or hydrated crystals.

Melting point (Celsius)
1 001.00
Melting point (Kelvin)
1 274.00
Boiling point (Celsius)
973.00
Boiling point (Kelvin)
1 246.00
General information
Molecular weight
129.60g/mol
Molar mass
129.5990g/mol
Density
3.5500g/cm3
Appearence

Nickel(II) chloride appears as a yellow to brown, crystalline solid under anhydrous conditions. In its hydrated forms, such as hexahydrate, it appears as green crystals. This compound is highly soluble in water, giving a green solution due to its coloration.

Comment on solubility

Solubility of Dichloronickel

Dichloronickel, also known by its chemical formula NiCl2, exhibits interesting solubility characteristics that are worth exploring. Here’s a detailed overview:

General Solubility

Dichloronickel is typically soluble in water, which is a common trait for many metal chlorides. Its solubility can be influenced by several factors:

  • Temperature: Solubility tends to increase with rising temperature.
  • Concentration: Higher concentrations can lead to saturation, affecting further solubility.
  • pH Levels: The solubility may alter with changes in pH, particularly in more acidic or basic environments.

Solubility in Organic Solvents

While NiCl2 is primarily known for its water solubility, its behavior in organic solvents is less prominent. It is generally considered:

  • Insoluble in most organic solvents, which limits its utility in organic chemistry.

Practical Implications

Understanding the solubility of dichloronickel is essential, especially in applications involving:

  • Catalysis: Its solubility can affect the efficacy and efficiency of catalytic processes.
  • Electrochemistry: Solubility impacts the electrolyte chemistry in electrochemical cells.

In conclusion, the solubility of dichloronickel is primarily influenced by temperature, concentration, and pH, with significant implications for various applications. As always, the specific context of use will dictate the importance of understanding its solubility characteristics.

Interesting facts

Interesting Facts about Dichloronickel

Dichloronickel, a fascinating compound with the chemical formula NiCl2, is known for its unique properties and versatile applications. Here are some intriguing facts about this compound:

  • Coordination Chemistry: Dichloronickel acts as a significant ligand in coordination chemistry, allowing it to form complexes with various metal ions.
  • Oxidation States: In dichloronickel, nickel exists primarily in the +2 oxidation state, but it can also demonstrate complex behavior with different oxidation states in other compounds.
  • Catalytic Applications: This compound plays an essential role in catalytic processes, particularly in organic synthesis, where it catalyzes reactions such as coupling and reductions.
  • Biological Interactions: Nickel is an essential trace element for certain organisms. However, compounds like dichloronickel can exhibit toxicity, warranting careful handling in laboratory and industrial settings.
  • Historic Significance: The study of dichloronickel has contributed to advancements in material science, particularly in the development of new nickel-based catalysts and materials.

As noted by chemists, "Understanding the behavior of metal chlorides like dichloronickel paves the way for innovations in sustainable chemistry." Its versatility not only highlights the beauty of inorganic chemistry but also emphasizes the need for safety and proper handling in experiments and applications.
Each encounter with dichloronickel enhances our comprehension of metal-ligand interactions, establishing a bridge between theory and practical applications in modern science.

Synonyms
NICKEL CHLORIDE
7718-54-9
Nickel(II) chloride
Nickel dichloride
Nickelous chloride
NiCl2
Nickel(2+) chloride
Nickel dichloride (nicl2)
37211-05-5
CCRIS 1788
HSDB 860
EINECS 231-743-0
EINECS 253-399-0
NSC 254532
UNII-696BNE976J
CHEBI:34887
696BNE976J
NSC254532
NSC-254532
(NiCl2)
[NiCl2]
EC 231-743-0
Nickelchloride
231-743-0
253-399-0
37211-05-57718-54-9
dtxcid5020316
dtxsid7040316
nichelchloride
dichloronickel
Nickel(II) chloride anhydrous
Nichel(II) chloride
Nickel (II) chloride
Nickel chloride (NiCl2)
Nickel(II) chloride (1:2)
MFCD00011142
Nickel(II) chloride, anhydrous
dichloro nickel
dichloronickel(II)
NI(II) chloride
nickel(II)chloride
dichloronickel (II)
nickel-(II)-chloride
nickel (11) chloride
WLN: NI G2
Nickel(II) chloride, 98%
Nickel(II) chloride, ultra dry
Q29397
Nickel(II) chloride, LR, 44.6-46% Ni basis
Nickel(II) chloride, anhydrous, powder, 99.99% trace metals basis