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Ammonium hexacyanoferrate(II)

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Identification
Molecular formula
(NH4)4[Fe(CN)6]
CAS number
14481-29-9
IUPAC name
ammonium;ferric;ferrous;hexacyanide
State
State

At room temperature, ammonium hexacyanoferrate(II) is a solid. It is typically found in its crystalline form and can dissolve in water. The compound is not flammable and is stable in its solid state.

Melting point (Celsius)
200.00
Melting point (Kelvin)
473.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
284.12g/mol
Molar mass
284.1230g/mol
Density
1.5000g/cm3
Appearence

Ammonium hexacyanoferrate(II) usually appears as light yellow crystals or powder. These crystals display a crystalline texture and can sometimes appear as yellow monoclinic prisms. The compound is stable under standard conditions and not sensitive to air.

Comment on solubility

Solubility of Ammonium Ferric Ferrous Hexacyanide

Ammonium ferric ferrous hexacyanide, commonly referred to as Prussian blue, exhibits unique solubility characteristics that are of significant interest in both chemical and environmental contexts. Understanding its solubility is essential for its application in various fields such as art, medicine, and environmental remediation.

General Solubility Characteristics:

  • Prussian blue is generally insoluble in water, which makes it useful as a pigment.
  • It has limited solubility in acidic solutions, where it can dissolve to some degree depending on the concentration of the acid.
  • The solubility can also be affected by the presence of other ions in the solution, especially metal cations.

The solubility behavior of this compound can be summarized as follows:

  1. In water: Minimal solubility.
  2. In acid solutions: Increased solubility may occur, leading to potential applications in detoxifying certain heavy metals.
  3. Interactions with anions: The presence of certain anions can facilitate the solubilization of the compound.

Overall, the solubility of ammonium ferric ferrous hexacyanide highlights its versatility and potential for various practical applications despite its predominant insolubility in pure water.

Interesting facts

Interesting Facts about Ammonium Ferric Ferrous Hexacyanide

Also known as Prussian Blue, ammonium ferric ferrous hexacyanide is a fascinating chemical compound with a rich history and wide-ranging applications. Here are some intriguing aspects of this compound:

  • Historical Significance: First synthesized in the early 18th century, it was one of the first modern synthetic pigments used in painting.
  • Color Properties: Its vibrant blue color has been cherished by artists for centuries, forming the basis of various shades in artworks and textiles.
  • Applications in Medicine: In modern medicine, it is utilized as an antidote for heavy metal poisoning due to its ability to bind with toxins.
  • Usage in Diagnostics: In laboratory settings, this compound plays a crucial role in diagnostics and analyses, particularly in detecting iron levels.
  • Environmental Impact: Ammonium ferric ferrous hexacyanide has applications in wastewater treatment, helping to remove toxic substances from water supplies.

As noted by chemist John McNaught, "The intersection of chemistry and art often leads to extraordinary discoveries that enrich both fields." This statement holds true for ammonium ferric ferrous hexacyanide, positioning it as a significant compound bridging science and creativity.

In addition to its artistic and medicinal uses, the study of this compound opens numerous avenues for research in fields ranging from material science to environmental chemistry. Its unique structure and properties captivate chemists and artists alike, making it a true marvel of chemical interplay.

Synonyms
FERRIC AMMONIUM FERROCYANIDE
Ammonium iron hexacyanoferrate
Ammonium iron(3+) hexakis(cyano-C)ferrate(4-)
Ammonium iron (III) hexacyanoferrate
9R0NVI936I
DTXSID1029332
Ferrate(4-), hexakis(cyano-C)-, ammonium iron(3+) (1:1:1), (OC-6-11)-
247-304-1
AFCF
Ammonium-ferric-cyano-ferrate(II)
RefChem:140253
Ferrate(4-), hexacyano-, ammonium iron(3+)
ammonium ferric hexacyanoferrate
DTXCID209332
Ferrate(4-), hexakis(cyano-kappaC)-, ammonium iron(3+) (1:1:1), (OC-6-11)-
Ferrate(4-), Hexakis(Cyano-C)-, Ammonium Iron(3++) (1:1:1)
25869-00-5
Giese salt
Ferrate(4-), hexakis(cyano-.kappa.C)-, ammonium iron(3+) (1:1:1), (OC-6-11)-
Ferrate(4 -), hexacyano-, ammonium iron(3+)
SCHEMBL342293
ILZWGESBVHGTRX-UHFFFAOYSA-O
CI 77510
NS00074410
PRUSSIAN BLUE AMMONIUM FERRIC HEXACYANOFERRATE
Q27272910
PRUSSIAN BLUE AMMONIUM FERRIC HEXACYANOFERRATE [MI]