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Potassium sulfide

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Identification
Molecular formula
K2S
CAS number
1312-73-8
IUPAC name
dipotassium;sulfanide
State
State

At room temperature, potassium sulfide is usually in a solid, crystalline state.

Melting point (Celsius)
440.00
Melting point (Kelvin)
713.00
Boiling point (Celsius)
840.00
Boiling point (Kelvin)
1 113.00
General information
Molecular weight
110.26g/mol
Molar mass
110.2620g/mol
Density
1.8000g/cm3
Appearence

Potassium sulfide appears as a yellow to red crystalline solid. It has a strong, unpleasant odor similar to rotten eggs due to the release of hydrogen sulfide when in contact with moisture.

Comment on solubility

Solubility of Dipotassium Sulfanide

Dipotassium sulfanide, with the chemical formula K2S2, is a compound that exhibits interesting solubility characteristics. This compound, which contains potassium ions and the sulfanide group, tends to be soluble in water due to the following reasons:

  • Ionic Nature: Being an ionic compound, dipotassium sulfanide readily dissociates in aqueous solutions. The strong electrostatic forces between the positive K+ ions and the negatively charged sulfanide ions allow for dissolution in polar solvents.
  • Solvation Effect: When dissolved in water, the water molecules surround the ions, stabilizing them in solution through solvation. This interaction fosters a higher solubility of the compound.
  • Concentration Limitations: While dipotassium sulfanide is generally soluble, the extent of solubility can depend on the concentration and temperature of the solution, which are common factors influencing the solubility of ionic compounds.

In summary, one can conclude that:

  • Dipotassium sulfanide is soluble in water due to its ionic bonding and favorable interactions with water molecules.
  • Understanding its solubility is crucial for applications where ionic compounds play a significant role in reactions or processes.

Thus, dipotassium sulfanide is a compound that easily dissolves, making it useful in various chemical contexts.

Interesting facts

Interesting Facts about Dipotassium Sulfanide

Dipotassium sulfanide, a chemical compound with intriguing properties, is particularly notable for its role in various scientific applications. Here are some key facts:

  • Composition: This compound consists of two potassium ions linked to a sulfanide group, which imparts unique characteristics.
  • Uses in Chemistry: Dipotassium sulfanide is often used in the synthesis of other chemical compounds, highlighting its significance in organic chemistry pathways.
  • Biological Relevance: Like other sulfide compounds, dipotassium sulfanide may exhibit properties that are useful in biological systems, particularly in plant biology, offering potential benefits in agriculture.
  • Reactivity: Being a potassium salt, it demonstrates interesting reactivity patterns. For instance, it can participate in redox reactions that are essential for various chemical processes.
  • Safety Considerations: As with many chemical compounds, proper handling and safety protocols are crucial when working with dipotassium sulfanide to prevent any adverse health effects.

In summary, dipotassium sulfanide not only plays a vital role in chemical synthesis but also holds potential for applications in biological systems. Its ability to interact with various elements and compounds underscores its importance in scientific research and industry.


Synonyms
dipotassium;sulfanide
Kaliumsulfid
K2-S
DTXSID901014376
MFCD00043083
UN1382
UN1847
Potassium sulfide, hydrated with not <30% water of crystallization [UN1847] [Corrosive]
Potassium sulfide, hydrated with not <30% water of crystallization
Potassium sulfide, anhydrous or potassium sulfide with <30% water of crystallization
Potassium sulfide, anhydrous or potassium sulfide with <30% water of crystallization [UN1382] [Spontaneously combustible]