1-Benzyl-4-piperidone
1-Benzyl-4-piperidone (CAS: 3612-20-2, C12H15NO, MW: 189.25) is a versatile heterocyclic building block. Possessing a piperidone core substituted with a benzyl group, it serves as a key intermediate in organic synthesis. This compound is primarily utilised in the development of novel pharmaceutical agents and other complex organic molecules. Its chemical structure makes it valuable for introducing specific functionalities into larger molecular frameworks.
- IUPAC
- 1-Benzyl-4-oxopiperidine
- Synonyms
- 1-Benzyl-4-oxopiperidine

Pharmaceutical Intermediate
1-Benzyl-4-piperidone is employed in the synthesis of various pharmaceutical compounds. Its structure allows for further functionalisation, making it a crucial intermediate in the development of active pharmaceutical ingredients (APIs).
Organic Synthesis Reagent
This compound acts as a valuable building block in general organic synthesis. It is used to construct more complex molecular architectures, particularly those containing piperidine rings.
Research and Development
Used extensively in research laboratories for exploring new synthetic pathways and discovering novel chemical entities with potential biological activities.
| Molecular weight | 189.25 |
|---|---|
| Empirical formula | C12H15NO |
| Assay | 99% |
| Boiling point | 134 °C/7 mmHg(lit.) |
| Density | 1.021 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.541(lit.) |
| Storage temperature | 2-8°C |

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 | 71 °C / 159.8 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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-4-piperidone used for?
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1-Benzyl-4-piperidone is used as a building block in organic synthesis, particularly for pharmaceutical intermediates and the construction of complex organic molecules.
What is the CAS number and formula for 1-Benzyl-4-piperidone?
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The CAS number is 3612-20-2, and the empirical formula is C12H15NO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Benzyl-4-piperidone with an assay of 99%. This is a technical grade, and TSS does not represent it as USP, BP, or EP grade.
How should 1-Benzyl-4-piperidone be handled?
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1-Benzyl-4-piperidone is a warning irritant. Handle with appropriate personal protective equipment, including eyeshields and gloves. Ensure adequate ventilation and avoid inhalation of vapours, as indicated by GHS hazards H315, H319, and H335.
How is this chemical packed, shipped, or exported?
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Tech Serve Solutions, as a global supplier, ensures that 1-Benzyl-4-piperidone is packed, shipped, and exported in compliance with all relevant international regulations for chemical substances.
How can I request a sample or quote for 1-Benzyl-4-piperidone?
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To request a sample or a quote, please contact our sales department through the website or by calling us directly. Our team will assist you promptly.
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