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Ammonium fluoride

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Identification
Molecular formula
NH4F
CAS number
12125-01-8
IUPAC name
ammonium;fluoride
State
State
Ammonium fluoride is primarily found as a solid at room temperature, appearing in a white crystalline form. This solid can dissolve readily in water to form a clear solution.
Melting point (Celsius)
100.00
Melting point (Kelvin)
373.15
Boiling point (Celsius)
130.00
Boiling point (Kelvin)
403.15
General information
Molecular weight
37.04g/mol
Molar mass
37.0370g/mol
Density
1.0093g/cm3
Appearence

Ammonium fluoride appears as a white, crystalline solid. It is typically found in powder form, and it may appear slightly moist if it has absorbed water from the atmosphere, given its hygroscopic nature.

Comment on solubility

Solubility of Ammonium Fluoride (NH4F)

Ammonium fluoride (NH4F) is a salt that exhibits notable solubility characteristics in water. Its solubility can be described as follows:

  • Highly Soluble: NH4F is known for being highly soluble in water, making it easy to form solutions even at moderate concentrations.
  • Temperature Dependence: The solubility tends to increase with temperature, which is a common behavior for many ionic compounds.
  • Effect of pH: The solubility may vary with pH changes, as the presence of acids or bases can influence the dissociation of ammonium ions (NH4+) and fluoride ions (F-).

When dissolved in water, ammonium fluoride dissociates into its constituent ions:

  • NH4+: Ammonium ion, which acts as a weak acid.
  • F-: Fluoride ion, a weak base.

This dissociation contributes to the ionic strength of the solution, which can affect the solubility of other compounds present. As a general guideline, the solubility of ammonium fluoride makes it a valuable compound in various chemical applications, especially in the manufacturing of ceramics, metal etching, and as a source of fluoride ions.

Interesting facts

Interesting Facts about Ammonium Fluoride

Ammonium fluoride, a compound with the formula NH4F, is a fascinating substance with several noteworthy properties and applications. Here are some captivating facts about this intriguing chemical:

  • Dual Nature: This compound showcases a unique combination of both ammonium (NH4+) and fluoride (F-) ions, making it an example of a quaternary ammonium salt.
  • Flavor Enhancer: Beyond its chemical significance, ammonium fluoride is sometimes used as a flavor enhancer in the food industry, adding to its appeal.
  • Historical Relevance: The discovery of ammonium fluoride dates back to the 18th century and has played a role in numerous chemical experiments and investigations throughout history.
  • Fluoride Ion Source: It serves as a source of fluoride ions, which can impart various properties to a mixture, and has implications in both industrial and laboratory settings.
  • Glass and Ceramics: In the field of materials science, ammonium fluoride is employed in the manufacture of certain types of glass and ceramics, where its properties enhance the final product's characteristics.

In summary, ammonium fluoride is not just a simple salt; it represents a compound with diverse applications and a rich history. Its role in enhancing flavors, aiding in manufacturing processes, and being a source of fluoride ions makes it a significant compound in various fields of study and industry.

Synonyms
AMMONIUM FLUORIDE
12125-01-8
Fluoruro amonico
Ammonium fluorure
Neutral ammonium fluoride
Fluorure d'ammonium
Fluorek amonowy
NH4F
CCRIS 2285
HSDB 6287
EINECS 235-185-9
UNII-4QT928IM0A
4QT928IM0A
DTXSID6050463
CHEBI:66871
EC 235-185-9
DTXCID6029464
AMMONIUM FLUORIDE (FH4N)
AMMONIUM FLUORIDE (NH4F)
235-185-9
Ammonium fluoride ((NH4)F)
azanium;fluoride
MFCD00011423
Fluorek amonowy [Polish]
Ammonium fluorure [French]
Fluoruro amonico [Spanish]
Fluorure d'ammonium [French]
UN2505
AMMONIUM FLUORIDE [MI]
AMMONIUM FLUORIDE [HSDB]
AMMONIUM FLUORIDE/ 95+%
(N H4) F
AKOS015833199
Ammonium fluoride [UN2505] [Poison]
NS00085690
Ammonium fluoride, electronics grade 99.99%
Ammonium fluoride, trace metals grade 99.99%