1-Ethylpropylamine
1-Ethylpropylamine (CAS 616-24-0) is a chemical compound with the linear formula (C2H5)2CHNH2 and a molecular weight of 87.16 g/mol. This flammable liquid, characterised by its amine functionality, serves as a versatile building block in organic synthesis. Its applications include the preparation of complex organic molecules and its use as an internal standard in analytical chemistry, particularly for screening active pharmaceutical ingredients.
- IUPAC
- 3-Aminopentane
- Synonyms
- 3-Aminopentane

Organic Synthesis Intermediate
1-Ethylpropylamine is employed in the synthesis of novel organic compounds, such as complex heterocyclic amines and other nitrogen-containing molecules, contributing to the development of new chemical entities.
Analytical Chemistry Standard
It serves as a reliable internal standard in gas chromatography-mass spectrometry (GC-MS) methods for the accurate screening and quantification of specific compounds within active pharmaceutical ingredients.
Materials Science Research
The compound has been utilised in research related to materials science, including its involvement in the synthesis of inorganic compounds like monoclinic VPO4·H2O.
| Molecular weight | 87.16 |
|---|---|
| Linear formula | (C2H5)2CHNH2 |
| Assay | 97% |
| Boiling point | 89-91 °C(lit.) |
| Density | 0.748 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.4055(lit.) |
| Application | 1-Ethylpropylamine has been used:• in the synthesis of (1-ethyl-propyl)-[3-(4-methoxy-2-methylphenyl)-2-methyl-6,7-dihydro-5H-1,4,8a-triaza-s-indacen-8-yl]-amine1• in the synthesis of monoclinic VPO4·H2O2• as internal standard in the screening of aziridine and 2-chloroethylamine in active pharmaceutical ingredients by gas chromatography-mass spectrometry3. |


Hazard statements
- H225Highly flammable liquid and vapour
- H314Causes severe skin burns and eye damage
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- 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 | 2 °C / 35.6 °F |
| Transport (UN / ADR) | UN 2733 3/PG 2 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,C |
| Risk statements (R) | 11-34 |
| 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 1-Ethylpropylamine used for?
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1-Ethylpropylamine is used as a building block in organic synthesis and as an internal standard in analytical chemistry for screening active pharmaceutical ingredients.
What are the CAS number and formula for 1-Ethylpropylamine?
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The CAS number for 1-Ethylpropylamine is 616-24-0, and its linear formula is (C2H5)2CHNH2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Ethylpropylamine with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should 1-Ethylpropylamine be handled safely?
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1-Ethylpropylamine is a flammable liquid and causes severe skin burns and eye damage (H225, H314). Handle with appropriate personal protective equipment, including gloves, eye protection, and respiratory protection, in a well-ventilated area. Keep away from heat, sparks, and open flames.
Is 1-Ethylpropylamine exported by Tech Serve Solutions?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 1-Ethylpropylamine.
How can I request a sample or quote for 1-Ethylpropylamine?
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Please contact our sales team directly via phone or email to request a sample or a formal quotation for 1-Ethylpropylamine.
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