1-Butylpyrrolidine
1-Butylpyrrolidine (CAS 767-10-2) is a heterocyclic organic compound with the formula C8H17N and a molecular weight of 127.23 g/mol. This chemical, featuring a pyrrolidine ring substituted with a butyl group, serves as a versatile building block in organic synthesis. It is particularly utilised in the preparation of specialised ionic liquids and as an intermediate in complex chemical manufacturing processes.

Ionic Liquid Precursor Synthesis
1-Butylpyrrolidine has been employed in the microwave-assisted synthesis of ionic liquid precursors, such as 1-butyl-1-methylpyrrolidinium methylcarbonate.
Specialty Ionic Liquid Preparation
It serves as a component in the synthesis of specific ionic liquids, for instance, [N,N-methylbutylpyrrolidinium] thiosalicylate.
Chemical Synthesis Intermediate
As a heterocyclic building block, 1-Butylpyrrolidine is valuable in various chemical synthesis pathways, contributing to the development of novel compounds.
| Molecular weight | 127.23 |
|---|---|
| Empirical formula | C8H17N |
| Assay | 98% |
| Boiling point | 155-157 °C/754 mmHg(lit.) |
| Density | 0.814 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.44(lit.) |
| Application | 1-Butylpyrrolidine has been used in:• microwave-assisted synthesis of ionic liquid precursor, 1-butyl-1-methylpyrrolidinium methylcarbonate1• [N,N-methylbutylpyrrolidinium] thiosalicylate, ionic liquid2 |


Hazard statements
- H226Flammable liquid and vapour
- H301Toxic if swallowed
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P312Call a POISON CENTER if you feel unwell
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 36 °C / 96.8 °F |
| Transport (UN / ADR) | UN 2929 6.1/PG 2 |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | T |
| Risk statements (R) | 10-24/25 |
| Safety statements (S) | 16-36/37-45 |
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-Butylpyrrolidine used for?
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1-Butylpyrrolidine is primarily used as a building block in chemical synthesis, notably in the preparation of ionic liquids and their precursors.
What is the CAS number and formula for 1-Butylpyrrolidine?
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The CAS number for 1-Butylpyrrolidine is 767-10-2, and its chemical formula is C8H17N.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Butylpyrrolidine with a minimum purity of 98%. We do not represent this product as USP, BP, or EP grade.
How should 1-Butylpyrrolidine be handled safely?
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1-Butylpyrrolidine is a flammable liquid and toxic if swallowed or in contact with skin. Handling requires appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, in a well-ventilated area. Refer to the Safety Data Sheet for detailed information.
Is 1-Butylpyrrolidine a controlled substance?
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The provided data does not indicate that 1-Butylpyrrolidine is a controlled substance.
How is 1-Butylpyrrolidine shipped and exported?
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Tech Serve Solutions exports fine chemicals globally. Specific shipping and handling comply with international regulations for hazardous materials.
How can I request a sample or quote for 1-Butylpyrrolidine?
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To request a sample or a quotation for 1-Butylpyrrolidine, please contact our sales department through the website or by phone.
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