N-Propyl-1,3-propanediamine
N-Propyl-1,3-propanediamine (CAS: 23764-31-0) is a diamine organic compound with the molecular formula CH3CH2CH2NH(CH2)3NH2 and a molecular weight of 116.20 g/mol. This chemical serves as a valuable building block in organic synthesis. It is primarily utilised in research and development settings for the creation of more complex molecular structures, particularly within the field of nitrogen-containing compounds. Its diamine nature allows for diverse chemical reactions.
- Synonyms
- CH3CH2CH2NH(CH2)3NH2

Organic Synthesis Intermediate
N-Propyl-1,3-propanediamine acts as a key intermediate in the synthesis of various organic compounds. Its primary amine and secondary amine functionalities enable participation in a range of chemical reactions, making it useful for constructing complex molecules.
Development of Heterocyclic Compounds
This diamine is employed in the construction of heterocyclic ring systems. For instance, it has been documented in the synthesis of substituted pyrimidine derivatives, contributing to the exploration of novel chemical entities.
Building Block for Specialty Chemicals
Its structure lends itself to use as a building block in the creation of specialty chemicals. The propyl and propane diamine moieties offer specific steric and electronic properties for targeted synthesis projects.
| Molecular weight | 116.20 |
|---|---|
| Linear formula | CH3CH2CH2NH(CH2)3NH2 |
| Assay | 99% |
| Boiling point | 169 °C(lit.) |
| Density | 0.841 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.4451(lit.) |
| Application | N-Propyl-1,3-propanediamine was used in the synthesis of 1-benzotriazolylmethyl-3-propylhexahydropyrimidine1. |


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 | 54 °C / 129.2 °F |
| Transport (UN / ADR) | UN 2734PSN2 3(8) / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 10-34 |
| Safety statements (S) | 16-26-27-36/37/39-45 |
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-Propyl-1,3-propanediamine used for?
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N-Propyl-1,3-propanediamine is used as a building block in organic synthesis and for the preparation of nitrogen-containing compounds and heterocyclic structures, such as substituted pyrimidine derivatives.
What are the CAS number and formula for N-Propyl-1,3-propanediamine?
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The CAS number is 23764-31-0 and the linear formula is CH3CH2CH2NH(CH2)3NH2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies N-Propyl-1,3-propanediamine with an assay of 99%. This product is supplied for research and development use and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should N-Propyl-1,3-propanediamine be handled safely?
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N-Propyl-1,3-propanediamine is a flammable liquid and vapour (H226) and causes severe skin burns and eye damage (H314). Handle with appropriate personal protective equipment, including chemical-resistant gloves, eye protection (goggles and face shield), and respiratory protection. Ensure adequate ventilation and keep away from heat, sparks, and open flames. Store in a tightly closed container.
Does TSS export N-Propyl-1,3-propanediamine?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including N-Propyl-1,3-propanediamine, serving customers worldwide.
How can I request a sample or quote for N-Propyl-1,3-propanediamine?
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To request a sample or a quote, please contact the Tech Serve Solutions sales team via our website or by telephone, specifying the product name and CAS number (23764-31-0).
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