1-Butyl-1-methylpyrrolidinium chloride
1-Butyl-1-methylpyrrolidinium chloride (CAS 479500-35-1, C9H20ClN) is a quaternary ammonium salt and an ionic liquid. It is characterised by its ionic nature and pyrrolidinium cation. This compound is primarily utilised in chemical synthesis as a specialty reagent and finds applications within the field of ionic liquids research and development. Its specific properties make it valuable for various laboratory and industrial chemical processes.

Chemical Synthesis
Utilised as a reagent or component in various organic synthesis pathways. Its ionic nature may facilitate specific reaction mechanisms or serve as a reaction medium.
Ionic Liquids Research
Serves as a model compound or building block in the study and development of novel ionic liquids with tailored properties for diverse applications.
Specialty Synthesis
Employed in niche synthetic processes where its unique chemical characteristics are advantageous for achieving specific molecular transformations.
| Molecular weight | 177.71 |
|---|---|
| Empirical formula | C9H20ClN |
| Assay | ≥99.0% (T) |
| Impurities tested | ≤0.5% 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-1-methylpyrrolidinium chloride used for?
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1-Butyl-1-methylpyrrolidinium chloride is primarily used in chemical synthesis, as a component in ionic liquids research, and for specialty synthesis applications.
What are the CAS number and formula for 1-Butyl-1-methylpyrrolidinium chloride?
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The CAS number is 479500-35-1 and the empirical formula is C9H20ClN.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Butyl-1-methylpyrrolidinium chloride with an assay of ≥99.0% (T) and ≤0.5% water. We do not represent this product as USP, BP, or EP grade.
What are the safety precautions for handling 1-Butyl-1-methylpyrrolidinium chloride?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. The compound is classified with WGK Germany 3, indicating a high hazard to water.
How is 1-Butyl-1-methylpyrrolidinium chloride packaged and shipped?
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Product is carefully packaged according to industry standards to ensure safe transport and is exported globally by Tech Serve Solutions.
How can I request a sample or quote for 1-Butyl-1-methylpyrrolidinium chloride?
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Please contact our sales team via the website or phone to request a sample or a formal quotation for 1-Butyl-1-methylpyrrolidinium chloride.
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