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Ammonium ferric citrate

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Identification
Molecular formula
(NH4)5Fe(C6H4O7)2
CAS number
1185-57-5
IUPAC name
ferric;ammonia;citrate
State
State

Ammonium ferric citrate is typically found as a solid at room temperature. It is hygroscopic, meaning it absorbs moisture from the air, which can affect its handling and storage conditions.

Melting point (Celsius)
0.00
Melting point (Kelvin)
0.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
482.20g/mol
Molar mass
482.2000g/mol
Density
1.8000g/cm3
Appearence

Ammonium ferric citrate is a complex salt that appears as a solid substance. The salt has a characteristic appearance that can vary, often found as a green or reddish-brown powder or granules, depending on the specific formulation and hydration level. The green variant is typically used in the preparation of ferric ammonium citrate solutions.

Comment on solubility

Solubility of Ferric Ammonium Citrate

Ferric ammonium citrate, with the chemical formula FeC₆H₅O₇(NH₄)₃, exhibits unique solubility properties that are noteworthy in various contexts.

Solubility Characteristics

This compound is generally considered to be:

  • Soluble in Water: Ferric ammonium citrate is soluble in water, particularly when heated. This characteristic makes it useful in aqueous solutions.
  • Ferrous Solutions: The presence of ferric ions enhances its solubility under certain conditions, allowing it to form complex ions, which can be very beneficial in biological and chemical applications.
  • Forming Colloids: When dissolved, it may form colloidal solutions, enhancing its interaction with other substances.

However, solubility can be influenced by various factors:

  • pH of the solution: Slightly acidic to neutral pH ranges typically increase solubility.
  • Concentration: Higher concentrations may lead to precipitation or decreased solubility due to saturation.
  • Temperature: Increased temperatures often lead to an increase in solubility for ferric ammonium citrate.

In summary, ferric ammonium citrate's solubility, largely influenced by environmental factors, offers a versatile component in both laboratory and biological settings. As highlighted, its ability to form soluble complexes is vital for various applications, including nutrient delivery and chemical preparations.

Interesting facts

Interesting Facts about Ferric Ammonium Citrate

Ferric ammonium citrate is a fascinating compound that serves several significant roles in both industrial and biological processes. Here are some of the key highlights:

  • Composition: This compound consists of ferric ions and ammonium ions complexed with citrate, a tricarboxylic organic acid. This unique combination offers a variety of applications in different fields.
  • Biological Importance: Ferric ammonium citrate is notably used as an iron supplement in the food and pharmaceutical industries. It aids in addressing iron-deficiency anemia, particularly in populations at risk, thereby improving overall health.
  • Coloring Agent: In the world of art and photography, ferric ammonium citrate is appreciated for its property as a photo-initiator in the process of cyanotype printing. This is a historical technique that produces stunning blue prints, commonly known as "blueprints."
  • Food Industry Usage: It is often utilized as a food additive that not only boosts iron content but also acts as a stabilizer, preventing oxidation and maintaining the quality of food products.
  • Biochemical Research: Researchers explore ferric ammonium citrate's role in various biochemical assays and in understanding metabolic pathways involving iron, which is crucial for many cellular functions.

In summary, ferric ammonium citrate is not just a compound; it is a multifaceted substance with applications that touch various aspects of health, industry, and science. Its ability to combine essential nutrients with functional roles invites ongoing research and innovation.

Synonyms
Ammonium iron(III) citrate
iron(3+) 2-hydroxypropane-1,2,3-tricarboxylate ammoniate
Ferriseltz (TN)
Ammonium iron III citrate
Ammonium ferric citrate;FAC
SCHEMBL1920826
FRHBOQMZUOWXQL-UHFFFAOYSA-K
Ferric ammonium citrate (JAN/USP)
AKOS015918211
FA32238
Ammonium iron(III) citrate, Red Powder
NS00130169
D01644
E75831
azane;2-hydroxypropane-1,2,3-tricarboxylate;iron(3+)