N-Propylbutylamine
N-Propylbutylamine (CAS: 20193-21-9) is a secondary amine with the linear formula CH3(CH2)3NHCH2CH2CH3 and a molecular weight of 115.22 g/mol. This aliphatic amine serves as a valuable building block in organic synthesis. It is commonly employed in chemical research and development, particularly in the creation of more complex nitrogen-containing compounds and various specialty chemicals.

Organic Synthesis Intermediate
N-Propylbutylamine functions as a reactive intermediate in the synthesis of diverse organic molecules. Its secondary amine structure allows for various chemical transformations, making it useful in the development of new chemical entities.
Building Block for Nitrogen Compounds
As a nitrogen-containing compound, it is used in the construction of more complex molecules that incorporate nitrogen atoms. This is particularly relevant in the fields of pharmaceuticals and agrochemicals.
Research and Development
This amine is utilised in laboratory settings for research purposes, enabling chemists to explore novel synthetic pathways and create novel chemical structures. Its defined properties make it a reliable reagent for experimental work.
| Molecular weight | 115.22 |
|---|---|
| Linear formula | CH3(CH2)3NHCH2CH2CH3 |
| Assay | 98% |
| Boiling point | 133-134 °C(lit.) |
| Density | 0.745 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.412(lit.) |


Hazard statements
- H226Flammable liquid and vapour
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 25 °C / 77 °F |
| Transport (UN / ADR) | UN 2733PSN1 8(3) / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,C |
| Risk statements (R) | 11-34 |
| Safety statements (S) | 16-26-36/37/39-45 |
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 N-Propylbutylamine used for?
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N-Propylbutylamine is primarily used as an intermediate in organic synthesis and as a building block for creating more complex nitrogen-containing compounds. It is also utilised in research and development settings.
What is the CAS number and formula for N-Propylbutylamine?
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The CAS number for N-Propylbutylamine is 20193-21-9, and its linear formula is CH3(CH2)3NHCH2CH2CH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies N-Propylbutylamine with an assay of 98%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated in the product specifications.
How should N-Propylbutylamine be handled safely?
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N-Propylbutylamine is a flammable liquid and causes severe skin burns and eye damage. Handle with appropriate personal protective equipment, including gloves, eye protection, and respiratory protection, in a well-ventilated area. Refer to the safety data sheet for comprehensive handling information.
How is N-Propylbutylamine packaged and shipped?
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N-Propylbutylamine is shipped according to relevant transportation regulations for hazardous materials. Packaging options are available to meet customer requirements and ensure safe transit. Please contact us for specific details on export procedures.
How can I request a sample or quote for N-Propylbutylamine?
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To request a sample or obtain a quote for N-Propylbutylamine, please contact our sales department through the website or by phone. Provide your contact details and the quantity required.
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