1-Butyl-2,3-dimethylimidazolium chloride
1-Butyl-2,3-dimethylimidazolium chloride (CAS: 98892-75-2) is a heterocyclic ammonium salt with a molecular weight of 188.70 g/mol. This ionic liquid serves as a valuable reagent in chemical synthesis, often employed as a phase transfer catalyst and in specialty synthesis applications. Its properties make it suitable for various research and development purposes within the chemical industry.
- Synonyms
- C9H17ClN2

Phase Transfer Catalysis
This compound can facilitate reactions between reactants in different phases, improving reaction rates and yields in organic synthesis. It is particularly useful in reactions where solubility is a limiting factor.
Ionic Liquid Applications
As an ionic liquid, it exhibits unique solvent properties, low vapour pressure, and thermal stability, making it suitable for use as a reaction medium or catalyst in various chemical processes.
Specialty Chemical Synthesis
It functions as a key building block or reagent in the synthesis of more complex organic molecules and specialty chemicals. Its structure allows for diverse synthetic transformations.
| Molecular weight | 188.70 |
|---|---|
| Empirical formula | C9H17ClN2 |
| Assay | ≥97.0% (HPLC/AT) |
| Impurities tested | ≤1.0% water |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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-Butyl-2,3-dimethylimidazolium chloride used for?
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1-Butyl-2,3-dimethylimidazolium chloride is used in chemical synthesis, notably as a phase transfer catalyst and in the development of ionic liquids and specialty chemicals.
What is the CAS number and formula for 1-Butyl-2,3-dimethylimidazolium chloride?
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The CAS number is 98892-75-2 and the empirical formula is C9H17ClN2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Butyl-2,3-dimethylimidazolium chloride with an assay of ≥97.0% (HPLC/AT). This product is not represented as USP, BP, or EP grade.
What are the safety considerations when handling this chemical?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used. The WGK Germany classification is 3, indicating a significant hazard to water.
Is this chemical suitable for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 1-Butyl-2,3-dimethylimidazolium chloride.
How can I request a quote or sample?
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Please contact our sales team via our website or by phone to request a quote or a sample of 1-Butyl-2,3-dimethylimidazolium chloride.
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