1-Ethyl-3-methylimidazolium hydrogen carbonate
1-Ethyl-3-methylimidazolium hydrogen carbonate (CAS 947601-94-7, C7H12N2O3) is an ionic liquid with a molecular weight of 172.18 g/mol. This compound, typically supplied as an aqueous methanolic solution, finds application as a versatile reagent in chemical synthesis and specialty applications. Its properties make it a valuable component in various research and development settings.
- IUPAC
- 1-Ethyl-3-methylimidazolium bicarbonate

Chemical Synthesis
Utilised as a reaction medium or catalyst in various organic transformations. Its unique ionic liquid nature offers potential advantages in solubility and reactivity control.
Specialty Synthesis
Employed in niche synthetic pathways requiring specific ionic characteristics. Serves as a building block or functional component in advanced chemical processes.
Ionic Liquid Research
Investigated for its electrochemical properties and potential use in battery electrolytes or as a solvent for electrochemical reactions.
| Molecular weight | 172.18 |
|---|---|
| Empirical formula | C7H12N2O3 |
| Concentration | ~50% in methanol: water (2:3) |



Hazard statements
- H226Flammable liquid and vapour
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
- H370Causes damage to organs
Precautionary statements
- P260Do not breathe dust, fume, gas, mist, vapours or spray
- P305IF IN EYES
- P307
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 57 °C / 134.6 °F |
| Transport (UN / ADR) | UN 1987C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 20/21/22-36/37/38-39/23/24/25 |
| Safety statements (S) | 26-36/37 |
| Anion traces | bromide (Br-): ≤10 mg/kgchloride (Cl-): ≤10 mg/kgfluoride (F-): ≤25 mg/kgnitrate (NO3-): ≤10 mg/kgphosphate (PO43-): ≤10 mg/kgsulfate (SO42-): ≤10 mg/kg |
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-Ethyl-3-methylimidazolium hydrogen carbonate used for?
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This compound is primarily used in chemical synthesis and specialty synthesis applications. It is also a subject of research within the field of ionic liquids.
What are the CAS number and formula for 1-Ethyl-3-methylimidazolium hydrogen carbonate?
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The CAS number is 947601-94-7 and the empirical formula is C7H12N2O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Ethyl-3-methylimidazolium hydrogen carbonate at approximately 50% in methanol: water (2:3). TSS does not represent this product as USP, BP, EP or other pharmacopoeia grades.
How should 1-Ethyl-3-methylimidazolium hydrogen carbonate be handled?
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Handle with extreme care due to flammability and health hazards. Use appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator. Ensure adequate ventilation and avoid exposure to heat, sparks, and open flames.
Is 1-Ethyl-3-methylimidazolium hydrogen carbonate a controlled substance?
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The provided data does not indicate that 1-Ethyl-3-methylimidazolium hydrogen carbonate is a controlled substance.
How is this chemical packed and shipped?
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This chemical is packed and shipped according to international regulations for hazardous materials, including UN 1987C 3 / PGIII classification.
How can I request a sample or a quote?
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Please contact the Tech Serve Solutions sales team directly through our website or by phone to request a sample or obtain a quotation.
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