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Lawesson's reagent

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Identification
Molecular formula
C14H14O2P4S4
CAS number
19172-47-5
IUPAC name
1,3,5,7-tetrathioxo-2,4,6,8,9,10-hexathia-1lambda5,3lambda5,5lambda5,7lambda5-tetraphosphatricyclo[3.3.1.13,7]decane
State
State

Lawesson's reagent is a solid at room temperature. It is primarily used in its solid form for chemical reactions, notably in the synthesis of thioketones.

Melting point (Celsius)
158.00
Melting point (Kelvin)
431.15
Boiling point (Celsius)
370.00
Boiling point (Kelvin)
643.15
General information
Molecular weight
404.48g/mol
Molar mass
404.4810g/mol
Density
1.7000g/cm3
Appearence

Lawesson's reagent is typically a yellow to light orange solid. It is crystalline in nature and may take a powdery form. The compound's vibrant coloration is characteristic of its sulfur-containing structure.

Comment on solubility

Solubility of 1,3,5,7-tetrathioxo-2,4,6,8,9,10-hexathia-1lambda5,3lambda5,5lambda5,7lambda5-tetraphosphatricyclo[3.3.1.13,7]decane

The compound 1,3,5,7-tetrathioxo-2,4,6,8,9,10-hexathia-1lambda5,3lambda5,5lambda5,7lambda5-tetraphosphatricyclo[3.3.1.13,7]decane presents unique challenges regarding its solubility.

  • Polarity: Due to the presence of multiple sulfur and phosphorus atoms, the compound exhibits a complex molecular structure that affects its polarity.
  • Solvent Interaction: Solubility is likely more favorable in polar solvents, especially those capable of forming hydrogen bonds due to the polar nature of the thiol and phosphorous groups.
  • Complex Formation: The metal ions or additives may form complexes, altering the solubility profile in various solutions.

It’s important to note: The solubility can be significantly impacted by factors such as temperature, pH, and the presence of other solutes. Hence, performing solubility tests in different environments is essential for understanding its behavior in application.

In summary, while the solubility of this compound may not be straightforward, investigating the above factors will yield insights into its dissolution characteristics in various media.

Interesting facts

Interesting Facts about 1,3,5,7-Tetrathioxo-2,4,6,8,9,10-hexathia-1lambda5,3lambda5,5lambda5,7lambda5-tetraphosphatricyclo[3.3.1.13,7]decane

This unique compound, with its complex nomenclature, falls into the category of phosphorous-sulfur compounds, showcasing an intriguing blend of elements that create fascinating structural properties. Here are some notable aspects of this compound:

  • Multi-Element Composition: With a combination of phosphorus and sulfur, this compound highlights the versatility and the unique interactions these elements can exhibit in a molecular structure.
  • Complex Structure: The presence of multiple thioxo groups and a bridged phosphatricyclo framework presents a distinct and intricate molecular architecture that may inspire novel applications in materials science.
  • Potential Applications: Research suggests that phosphorous-sulfur compounds like this one may have useful properties in catalysis, organic synthesis, and even medicinal chemistry due to their ability to stabilize various functional groups.
  • Research Interest: Compounds with such elaborate structures are often of great interest in theoretical and computational chemistry, as they challenge existing models and push the boundaries of chemical understanding.
  • Empowerment of Coordination Chemistry: Such structurally-rich molecules can assist in the formation of coordination complexes, which are vital in the development of advanced materials and nanotechnology.

In summary, 1,3,5,7-tetrathioxo-2,4,6,8,9,10-hexathia-1lambda5,3lambda5,5lambda5,7lambda5-tetraphosphatricyclo[3.3.1.13,7]decane is not just a chemical curiosity; it embodies the creativity of chemistry and the potential for future discovery. As with any compound of such complexity, the exploration of its properties and applications may lead to breakthroughs in various fields, showing that the molecular world is as fascinating as it is diverse.

Synonyms
Diphosphorus pentasulfide
Diphosphorus pentasulphide
Phosphorus pentasulphide
RCRA waste number U189
HSDB 1251
EINECS 215-242-4
UN1340
UNII-HJ1X20J1DX
DTXSID0051659
PHOSPHORUS PENTASULFIDE [MI]
PHOSPHORUS PENTASULFIDE [HSDB]
EC 215-242-4
Fosforo solfuro
Solfuro fosforico
Fosforo persolfuro
Phosphorpentasulfid
Phosphor-V-sulfid
Phosphoric sulphide
Andride tiofosforica
Diphosphorpentasulfid
Difosforo pentasolfuro
Phosphorus persulphide
Tetraphosphordecasulfid
Tetraphosphordekasulfid
Pentasolfuro di fosforo
Tetrafosforo decasolfuro
Emipentasolfuro di fosforo
Fosforo solfuro (Italian)
Phosphor-V-sulfid (German)
Solfuro fosforico (Italian)
Phosphorpentasulfid (German)
Fosforo persolfuro (Italian)
Diphosphorpentasulfid (German)
Andride tiofosforica (Italian)
Tetraphosphordecasulfid (German)
Tetraphosphordekasulfid (German)
Difosforo pentasolfuro (Italian)
DTXCID8030213
Pentasolfuro di fosforo (Italian)
Tetrafosforo decasolfuro (Italian)
PHOSPHORUS SULFIDE (P4S10)
Emipentasolfuro di fosforo (Italian)
Phosphorus pentasulfide (ACGIH:OSHA)
PHOSPHORUS PENTASULFIDE (P2S5)
PHOSPHORUS PENTASULFIDE, FREE FROM YELLOW AND WHITE PHOSPHORUS
PHOSPHORUS PENTASULPHIDE, FREE FROM YELLOW AND WHITE PHOSPHORUS
1314-80-3
phosphorus pentasulfide
phosphorus sulfide
phosphorus sulfide (p2s5)
Tetraphosphorus decasulfide
Sulfur phosphide
Phosphoric sulfide
Phosphorus persulfide
Thiophosphoric anhydride
Phosphorus pentasulfide (P4S10)
HJ1X20J1DX
Sirnik fosforecny [Czech]
RCRA waste no. U189
Sirnik fosforecny
Pentasulfure de phosphore [French]
phosphorous pentasulfide
Pentasulfure de phosphore
P4S10
AKOS015961860
Q415704
Phosphorus pentasulfide, free from yellow or white phosphorus
Phosphorus pentasulfide, free from yellow or white phosphorus [UN1340] [Dangerous when wet]