1,3-Dimethoxyimidazolium hexafluorophosphate
1,3-Dimethoxyimidazolium hexafluorophosphate (CAS: 951020-81-8) is an ionic liquid with a molecular weight of 274.10 g/mol. This compound serves as a valuable ionic liquid and a precatalyst in N-heterocyclic carbene (NHC) chemistry. It is widely utilised in chemical synthesis, particularly in specialised applications requiring the unique properties of ionic liquids and NHC catalysis.
- IUPAC
- (OMe)2Im-PF6
- Synonyms
- C5H9F6N2O2P(OMe)2Im-PF6

Ionic Liquid Applications
As an ionic liquid, this compound can be employed as a reaction medium or electrolyte in various chemical processes, offering unique solvent properties and thermal stability.
NHC Precatalyst in Catalysis
It functions as a precatalyst for generating N-heterocyclic carbenes (NHCs), which are important ligands in organometallic catalysis for a range of organic transformations.
Specialty Synthesis
Its specific chemical structure makes it suitable for specialty synthesis applications where conventional reagents or solvents may not be effective.
| Molecular weight | 274.10 |
|---|---|
| Empirical formula | C5H9F6N2O2P |
| Assay | ≥98% (13C-NMR)≥98% (31P-NMR)98% |
| Application | Ionic liquid and NHC precatalyst1 |
| Suitability | complies for IR spectroscopy |
| Melting point | 84 °C |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 1,3-Dimethoxyimidazolium hexafluorophosphate used for?
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1,3-Dimethoxyimidazolium hexafluorophosphate is used as an ionic liquid and an N-heterocyclic carbene (NHC) precatalyst in chemical synthesis.
What is the CAS number and formula for 1,3-Dimethoxyimidazolium hexafluorophosphate?
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The CAS number is 951020-81-8, and its empirical formula (Hill notation) is C5H9F6N2O2P.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,3-Dimethoxyimidazolium hexafluorophosphate with an assay of ≥98% (by 13C-NMR, 31P-NMR, and general analysis). TSS does not represent this product as USP, BP, EP, or other pharmacopoeia grades.
How should 1,3-Dimethoxyimidazolium hexafluorophosphate be handled safely?
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Warning: Causes skin irritation, serious eye irritation, and may cause respiratory irritation. Handle with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. Ensure adequate ventilation. Avoid breathing dust. In case of contact with eyes, rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing. If inhaled, move to fresh air.
Is 1,3-Dimethoxyimidazolium hexafluorophosphate suitable for IR spectroscopy?
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Yes, the product complies for IR spectroscopy.
How is 1,3-Dimethoxyimidazolium hexafluorophosphate packed and shipped?
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Tech Serve Solutions exports chemicals globally, ensuring appropriate packaging for safe transport according to international regulations.
How can I request a sample or quote for 1,3-Dimethoxyimidazolium hexafluorophosphate?
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Please contact our sales team via the website or direct email to request a sample or a quotation for 1,3-Dimethoxyimidazolium hexafluorophosphate.
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