1-Benzyl-2-pyrrolidinone
1-Benzyl-2-pyrrolidinone (CAS: 5291-77-0; Formula: C11H13NO; MW: 175.23) is a heterocyclic organic compound supplied by Tech Serve Solutions. This benzyl-substituted lactam is primarily utilised as a building block in chemical synthesis. Its pyrrolidine structure makes it a valuable intermediate for creating more complex molecules in research and development settings.

Chemical Synthesis Intermediate
Serves as a key intermediate in the synthesis of various organic compounds. Its functional groups allow for diverse chemical transformations.
Heterocyclic Chemistry Research
A pyrrolidine derivative useful in academic and industrial research for developing novel heterocyclic structures.
Building Block for Complex Molecules
Incorporated into synthetic routes for creating larger, more complex organic molecules with potential applications in medicinal chemistry and materials science.
| Molecular weight | 175.23 |
|---|---|
| Empirical formula | C11H13NO |
| Assay | 98% |
| Density | 1.095 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.552(lit.) |

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 |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
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-Benzyl-2-pyrrolidinone used for?
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1-Benzyl-2-pyrrolidinone is primarily used as a building block in chemical synthesis and as an intermediate in heterocyclic chemistry research.
What are the CAS number and formula for 1-Benzyl-2-pyrrolidinone?
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The CAS number is 5291-77-0 and the empirical formula is C11H13NO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Benzyl-2-pyrrolidinone with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
How should 1-Benzyl-2-pyrrolidinone be handled safely?
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Handle with care, wearing appropriate personal protective equipment including eyeshields and gloves. Avoid breathing dust/fume/gas/mist/vapours/spray. Ensure adequate ventilation. Refer to the Safety Data Sheet for comprehensive handling information.
Is 1-Benzyl-2-pyrrolidinone exported by Tech Serve Solutions?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 1-Benzyl-2-pyrrolidinone.
How can I request a sample or quote for 1-Benzyl-2-pyrrolidinone?
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To request a sample or quote, please contact our sales team through the website or by phone, providing the product name and CAS number.
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