Tricyclohexylphosphonium tetrafluoroborate
[CAS# 58656-04-5]

Identification

• Classification: Organic raw materials >> Organic phosphine compound
• Name: Tricyclohexylphosphonium tetrafluoroborate
• Molecular Formula: C₁₈H₃₄BF₄P
• Molecular Weight: 368.24
• CAS Registry Number: 58656-04-5
• EC Number: 672-607-4
• SMILES: [B-](F)(F)(F)F.C1CCC(CC1)[PH+](C2CCCCC2)C3CCCCC3

Properties

• Melting point: 164 °C

Safety Data

• Hazard Symbols: GHS06;GHS07 Danger
• Risk Statements: H302-H312-H314-H315-H318-H319-H332-H335
• Safety Statements: P260-P261-P264-P264+P265-P270-P271-P280-P301+P317-P301+P330+P331-P302+P352-P302+P361+P354-P304+P340-P305+P351+P338-P305+P354+P338-P316-P317-P319-P321-P330-P332+P317-P337+P317-P362+P364-P363-P403+P233-P405-P501

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H302
Acute toxicity	Acute Tox.	4	H332
Acute toxicity	Acute Tox.	4	H312
Skin corrosion	Skin Corr.	1C	H314
Serious eye damage	Eye Dam.	1	H318

Discovery and Applications

Tricyclohexylphosphonium tetrafluoroborate is a notable compound in the field of chemistry, particularly for its applications in organocatalysis and ionic liquid technology. This article explores its discovery, synthesis, and various applications.

Tricyclohexylphosphonium tetrafluoroborate was first reported as part of the growing interest in phosphonium salts and ionic liquids, which have gained attention for their unique properties and applications in chemical synthesis. The compound was synthesized to explore the potential of phosphonium-based ionic liquids in different catalytic and industrial processes.

The synthesis of tricyclohexylphosphonium tetrafluoroborate involves the reaction of tricyclohexylphosphine with tetrafluoroboric acid. Tricyclohexylphosphine, a common precursor, is reacted with tetrafluoroboric acid to form the corresponding phosphonium salt. This process is typically carried out under controlled conditions to ensure the purity and yield of the product. The tetrafluoroborate anion imparts stability and solubility to the resulting phosphonium salt, which is a key feature for its applications.

One of the primary applications of tricyclohexylphosphonium tetrafluoroborate is as an ionic liquid in various chemical reactions. Ionic liquids are known for their unique properties, including low volatility, high thermal stability, and tunable solubility, making them valuable in numerous chemical processes. Tricyclohexylphosphonium tetrafluoroborate, as an ionic liquid, can be used as a solvent or catalyst in reactions where traditional solvents may be less effective.

In catalysis, tricyclohexylphosphonium tetrafluoroborate has been employed in several types of reactions. Its stability and ionic nature make it a suitable medium for facilitating various organic transformations. For example, it can be used in asymmetric synthesis, where its role as a solvent or catalyst helps to enhance reaction rates and selectivities. Its utility in these reactions arises from the ability of ionic liquids to solubilize a wide range of reactants and catalysts, leading to more efficient and selective transformations.

The compound also finds use in the field of extraction and separation technologies. Ionic liquids like tricyclohexylphosphonium tetrafluoroborate can act as solvents for the extraction of metals and other valuable components from complex mixtures. This property is particularly useful in the recovery of rare or precious metals, where traditional extraction methods may be less effective.

Additionally, tricyclohexylphosphonium tetrafluoroborate is explored for its potential in electrochemical applications. The compound's ionic nature and stability make it suitable for use in various electrochemical processes, including batteries and supercapacitors. Its role in these applications is to enhance the performance and stability of electrochemical devices by providing a stable and efficient medium for ionic conduction.

Future research may focus on optimizing the properties of tricyclohexylphosphonium tetrafluoroborate for specific applications, such as improving its performance in catalytic reactions or developing new methods for its synthesis and use. The exploration of its potential in emerging technologies and industrial processes could further expand its applications and impact in the field of chemistry.

References

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