1-Butyl-3-methylimidazolium hexafluorophosphate (BMIM PF6), 99%, Ionic Liquid
Product Introduction
1-Butyl-3-methylimidazolium hexafluorophosphate (BMIM PF6), 99%, Ionic Liquid is a research ionic liquid ionic liquid identified in the supplied product record as 1-Butyl-3-methylimidazolium with Hexafluorophosphate (PF6). The record lists CAS number 174501-64-5, molecular formula C8H15F6N2P, purity 99%, package 100g.
The material is used in laboratory research in electrochemistry, electrolyte development, catalysis, organic synthesis, electrodeposition, and related energy-storage studies. Use as a solvent or electrolyte component. Confirm compatibility with the complete formulation before use.
Key Features
- Defined ionic composition: The listed cation and anion provide a clear basis for electrolyte, solvent, and reaction-medium comparison.
- Declared purity: The supplied record lists 99% purity, supporting controlled material selection for research trials.
- Research package: Supplied in 100g for laboratory-scale evaluation and procurement planning.
- Compatibility and handling reference: The product record notes insoluble in water, which helps screen aqueous handling and solvent compatibility. The supplied thermal references include melting point 2.8 °C.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | 1-Butyl-3-methylimidazolium hexafluorophosphate (BMIM PF6), 99%, Ionic Liquid |
| CAS No. | 174501-64-5 |
| Cation | 1-Butyl-3-methylimidazolium |
| Anion | Hexafluorophosphate (PF6) |
| Molecular Formula | C8H15F6N2P |
| Molecular Weight | 284.18 g/mol |
| Purity | 99% |
| Grade | Research Ionic Liquid |
| Melting Point | 2.8 °C |
| Density | 1.38 g/cm3 at 20 °C |
| Water Solubility | Insoluble in water |
| Package | 100g |
Application Areas
- Electrolyte composition and ion-coordination studies
- Electrochemical reaction-media development
- Organic synthesis and catalysis research
- Solvent compatibility and separation-process screening
- Battery and energy-storage formulation research where the listed ionic composition is appropriate
Handling and Procurement
Keep the container tightly closed in a cool, dry, well ventilated area. Protect the material from moisture, water contamination, heat, and direct sunlight, and keep the container closed when not in use. Before handling, review the SDS and use appropriate protective equipment.
Related Products
| Research Need | Related Product | Best For |
|---|---|---|
| Compare the same cation with a different counterion | 1-Butyl-3-methylimidazolium hexafluoroantimonate (BMIM SbF6), Research Grade, 98%, Ionic Liquid | Counterion screening and formulation comparison. |
| Compare the same cation with a different counterion | 1-Butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide (BMIM TFSI), 99%, Ionic Liquid | Counterion screening and formulation comparison. |
| Compare the same cation with a different counterion | 1-Butyl-3-methylimidazolium bromide (BMIM Br), 99%, Ionic Liquid | Counterion screening and formulation comparison. |
| Compare the same cation with a different counterion | 1-Butyl-3-methylimidazolium chloride (BMIM Cl), 99%, Ionic Liquid | Counterion screening and formulation comparison. |
This hydrophobic ionic liquid must be stored in anhydrous conditions to avoid moisture contamination. Its melting point near 2.8°C requires temperature-controlled storage to prevent solidification and ensure liquid handling.
- Moisture Sensitivity: Store the compound in a sealed, dry environment to prevent water absorption and maintain hydrophobic characteristics.
- Temperature Stability: Maintain storage temperature above 2.8°C to keep the compound in liquid form and avoid potential recrystallization issues.
How does the 2.8 °C melting point of [C4MIm]PF6 affect its application in room-temperature electrochemistry?
The 2.8 °C melting point means [C4MIm]PF6 is a solid at typical room temperatures below this threshold, requiring active heating to maintain it as a liquid electrolyte for electrochemical cells. However, its high thermal stability up to 370 °C decomposition temperature allows safe heating without risk of breakdown. This trade-off makes it suitable for temperature-controlled electrochemical studies but less convenient for ambient-temperature operations.
For which biphasic or hydrophobic reaction systems is 1-butyl-3-methylimidazolium hexafluorophosphate specifically suited given its water insolubility?
[C4MIm]PF6 is exclusively suited for non-aqueous, hydrophobic biphasic systems because it is explicitly designated as water-insoluble per the technical specifications. It cannot be used in aqueous electrolyte mixtures or water-based extractions, but serves as an effective non-polar phase for liquid-liquid separations or reactions requiring anhydrous conditions. Its high decomposition temperature (370 °C) further enables use in high-temperature hydrophobic processes.
What storage and handling conditions are required to maintain the stability of [C4MIm]PF6 ionic liquid in a research laboratory?
Store [C4MIm]PF6 in standard climate-controlled protective laboratory packaging to safeguard purity and prevent contamination. Although water-insoluble, the material should be kept away from moisture sources to avoid inadvertent hydration of the hexafluorophosphate anion. Avoid heating above 370 °C to prevent thermal decomposition, and restrict use exclusively to laboratory research applications as per the compliance notice.
This imidazolium-based ionic liquid offers high thermal stability (decomposition at 370°C) and hydrophobic character (water insoluble), making it suitable for biphasic catalysis and high-temperature electrochemical studies. However, its low melting point (2.8°C) necessitates careful temperature management in handling and storage.
Positive
- High thermal stability: Decomposition temperature of 370°C allows use in high-temperature reactions and electrochemical applications without premature degradation.
- Hydrophobic character: Water insolubility enables biphasic separations, hydrophobic reaction environments, and compatibility with moisture-sensitive systems.
Trade-offs
- Low melting point: Melting point of 2.8°C means the compound is a solid just above freezing; requires warming or dissolution for consistent fluid handling and may need temperature-controlled storage.
- Research-use restrictions: Explicitly sold for laboratory research only; prohibited for commercial, diagnostic, or human/animal applications, requiring strict end-use compliance.
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