1-Ethyl-3-methylimidazolium hydroxide solution
1-Ethyl-3-methylimidazolium hydroxide solution (CAS 250358-46-4, C6H12N2O) is an ionic liquid supplied by Tech Serve Solutions. It is a strongly basic compound, typically offered as a 10% solution in water with an assay of ≥98%. This chemical finds utility as a strong base catalyst and reagent in various organic synthesis applications. Its ionic nature and basicity make it a valuable tool in specific chemical transformations.
- IUPAC
- EMIM OH

Organic Synthesis Reagent
Utilised as a strong base catalyst and reagent in diverse organic transformations. Its ionic liquid properties can offer advantages in reaction media and product separation.
Catalysis
Functions as a catalyst in various chemical reactions, particularly where a strong, non-nucleophilic base is required. Its unique properties may influence reaction rates and selectivity.
Material Science Applications
Investigated for potential use in material science, including as a component in electrolyte formulations or as a processing aid for certain polymers. Its ionic nature is key to these potential applications.
| Molecular weight | 128.17 |
|---|---|
| Empirical formula | C6H12N2O |
| Assay | ≥98% |
| Concentration | 10% in H2O |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Flash point | >61 °C / >141.8 °F |
|---|---|
| Transport (UN / ADR) | UN 3267 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-36/37/39-45 |
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 hydroxide solution used for?
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1-Ethyl-3-methylimidazolium hydroxide solution (CAS 250358-46-4) is used as a strong base catalyst and reagent in various organic synthesis applications.
What is the CAS number and formula for this product?
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The CAS number is 250358-46-4 and the empirical formula is C6H12N2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Ethyl-3-methylimidazolium hydroxide solution with an assay of ≥98%. This is a technical grade product and TSS does not represent it as USP, BP, or EP.
How should 1-Ethyl-3-methylimidazolium hydroxide solution be handled?
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This product causes severe skin burns and eye damage (H314). Wear protective gloves, eye protection, and face protection (P280). If in eyes, rinse cautiously with water for several minutes and seek immediate medical attention (P305 + P351 + P338-P310).
Is this chemical shipped internationally?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 1-Ethyl-3-methylimidazolium hydroxide solution.
How can I request a quote or sample?
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Please contact our sales team via the website or by phone to request a quote or sample for 1-Ethyl-3-methylimidazolium hydroxide solution.
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