1-Ethyl-3-methylimidazolium methyl sulfate
1-Ethyl-3-methylimidazolium methyl sulfate (CAS: 516474-01-4), with the molecular formula C7H14N2O4S and a molecular weight of 222.26, is an ionic liquid utilised in chemical synthesis. It serves as a versatile medium and reagent in various specialised synthetic applications, offering unique solvent properties. This compound is specifically relevant to imidazolium-based ionic liquids and advanced organic chemistry processes.

Specialty Chemical Synthesis
This ionic liquid is employed as a reaction medium or catalyst in specialised organic synthesis routes, offering potentially advantageous solvation properties and reaction conditions compared to conventional solvents.
Ionic Liquid Applications
As a member of the imidazolium class of ionic liquids, it finds application in research exploring novel solvent systems, electrochemical processes, or as a component in material science formulations.
Research and Development
Utilised in laboratory settings for fundamental research in chemistry, particularly within areas investigating ionic liquid behaviour, synthesis optimisation, and novel reaction pathways.
| Molecular weight | 222.26 |
|---|---|
| Empirical formula | C7H14N2O4S |
| Assay | ≥98.0% (HPLC) |
| Impurities tested | ≤0.2% water |
| Composition | carbon, 37.07-38.58%nitrogen, 12.35-12.85% (as tested by elemental analysis)nitrogen, 12.35-12.85% (as tested by elemental analysis) |

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 | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| 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-Ethyl-3-methylimidazolium methyl sulfate used for?
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1-Ethyl-3-methylimidazolium methyl sulfate is used in specialty chemical synthesis, as a type of imidazolium ionic liquid, and in research and development settings.
What are the CAS number and formula for 1-Ethyl-3-methylimidazolium methyl sulfate?
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The CAS number is 516474-01-4 and the empirical formula is C7H14N2O4S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Ethyl-3-methylimidazolium methyl sulfate with an assay of ≥98.0% as determined by HPLC, with a maximum of ≤0.2% water content. This is typically considered a technical or research grade and TSS does not represent it as USP, BP, EP, or pharmacopoeia grade.
How should 1-Ethyl-3-methylimidazolium methyl sulfate be handled?
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Handle with appropriate personal protective equipment, including eyeshields and gloves. Ensure adequate ventilation, as it may cause respiratory irritation (H335). Avoid contact with skin (H315) and eyes (H319).
Is this chemical controlled or scheduled?
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The provided data does not indicate that 1-Ethyl-3-methylimidazolium methyl sulfate (CAS: 516474-01-4) is a controlled or scheduled substance.
How is 1-Ethyl-3-methylimidazolium methyl sulfate packed and shipped?
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As a global supplier and exporter, Tech Serve Solutions ensures appropriate packaging and adherence to all relevant shipping regulations for chemical products, including this compound.
How can I request a sample or quote for 1-Ethyl-3-methylimidazolium methyl sulfate?
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Please contact our sales department or use the online inquiry form on the Tech Serve Solutions website to request a sample or a quotation for 1-Ethyl-3-methylimidazolium methyl sulfate.
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