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Ammonium hydrosulfide

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Identification
Molecular formula
(NH4)2S1
CAS number
12124-99-1
IUPAC name
ammonium;sulfanide
State
State

Ammonium hydrosulfide is typically found as a solid at room temperature. However, due to its volatile nature and propensity to release hydrogen sulfide gas, it is often stored and handled under controlled conditions to prevent decomposition.

Melting point (Celsius)
-18.00
Melting point (Kelvin)
255.15
Boiling point (Celsius)
-18.00
Boiling point (Kelvin)
255.15
General information
Molecular weight
51.11g/mol
Molar mass
51.1090g/mol
Density
1.1700g/cm3
Appearence

Ammonium hydrosulfide appears as a colorless solid. It is commonly encountered as a white crystalline compound or in solution form. The compound is known for its strong odor reminiscent of rotten eggs, due to the release of hydrogen sulfide gas upon decomposition.

Comment on solubility

Solubility of Ammonium Sulfide

Ammonium sulfide, represented by the chemical formula (NH4)2 S, is known for its unique solubility properties. This compound is quite soluble in water, which makes it a valuable reagent in various chemical reactions and processes.

Key points regarding its solubility include:

  • Highly soluble: Ammonium sulfide can dissolve readily in water, often forming a clear solution.
  • Influence of temperature: Like many ionic compounds, its solubility increases with temperature, allowing for better solvation at higher temperatures.
  • pH sensitivity: The solubility can be affected by the pH of the solution; in acidic conditions, the presence of free protons may lead to the formation of ammonium ions, which can further influence dissolution.
  • Limited solubility in organic solvents: Unlike its behavior in water, ammonium sulfide exhibits very low solubility in organic solvents, which suggests its unique interaction with polar vs. non-polar environments.

Therefore, when considering the use of ammonium sulfide in any applications, it is important to take into account its highly solubility in aqueous solutions, followed by its behavior in different pH environments and temperatures.

Interesting facts

Interesting Facts about Ammonium Sulfide

Ammonium sulfide is a fascinating compound that plays a significant role in both chemical processes and industrial applications. Here are some intriguing insights:

  • Structure and Composition: This compound consists of ammonium ions (NH₄+) and sulfide ions (S²-). Its unique ionic structure allows for versatile reactivity in various chemical environments.
  • Applications in Industry: Ammonium sulfide is used extensively in the manufacture of dyes, as well as in the production of alkaloids and fertilizers. It serves as a reducing agent in chemical reactions, which can help in the synthesis of other compounds.
  • Laboratory Uses: In laboratories, ammonium sulfide is often used for the identification of certain metals in qualitative analysis. Its ability to form precipitates with various metal ions makes it a valuable reagent.
  • Environmental Impact: Due to its sulfur content, ammonia sulfide can contribute to the formation of hydrogen sulfide (H₂S) when decomposed. This emphasizes the need for proper handling and safety precautions when working with this compound.
  • Historical Significance: Ammonium sulfide was once popular in the early days of photography, specifically in the development of certain types of images due to its ability to interact with silver compounds.

In summary, ammonium sulfide is not only important in diverse chemical applications but also exemplifies the interconnections between chemistry and industry. As we explore further, we can appreciate how such compounds are integral to advancements in various fields.

Synonyms
Ammonium bisulfide
Ammonium hydrosulfide
Ammonium sulfhydrate
Ammonium hydrogen sulfide
12124-99-1
Ammonium mercaptan
Ammonium hydrogensulphide
Monoammonium sulfide
Ammonium sulfide ((NH4)(SH))
Sirnik amonny
Sirnik amonny [Czech]
EINECS 235-184-3
A824D6LXMB
AMMONIUM BISULFIDE [MI]
DTXSID20894064
DTXCID301324107
235-184-3
azanium;sulfanide
Ammonium sulfide (NH4SH)
UNII-A824D6LXMB
Schwefelammonium
Ammonium hydrogensulfide
Q197523