1-Diethylamino-3-butanone
1-Diethylamino-3-butanone (CAS: 3299-38-5) is a ketone compound with the linear formula (C2H5)2NCH2CH2COCH3 and a molecular weight of 143.23 g/mol. It is supplied by Tech Serve Solutions with a purity of 98%. This chemical serves as a valuable building block in organic synthesis and has been utilised in the total synthesis of steroidal hydrochrysene derivatives. Its properties make it a useful intermediate in various chemical processes.
- IUPAC
- 4-Diethylamino-2-butanone
- Synonyms
- 4-Diethylamino-2-butanone

Organic Synthesis Intermediate
1-Diethylamino-3-butanone functions as a key building block in complex organic syntheses. Its reactive ketone group and diethylamino moiety allow for diverse chemical transformations.
Steroidal Derivative Synthesis
This compound has been employed in the total synthesis of specific steroidal hydrochrysene derivatives, highlighting its role in advanced pharmaceutical and chemical research.
Carbonyl Compound Applications
As a ketone, it falls under the category of carbonyl compounds, useful for reactions such as nucleophilic additions and condensations in the development of new chemical entities.
| Molecular weight | 143.23 |
|---|---|
| Linear formula | (C2H5)2NCH2CH2COCH3 |
| Assay | 98% |
| Boiling point | 76-78 °C/16 mmHg(lit.) |
| Density | 0.86 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.433(lit.) |
| Application | 1-Diethylamino-3-butanone was used in total synthesis of several steroidal hydrochrysene derivatives1. |


Hazard statements
- H226Flammable liquid and vapour
- 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, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 43 °C / 109.4 °F |
| Transport (UN / ADR) | UN 1224C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 10-36/37/38 |
| Safety statements (S) | 16-26-36/37/39 |
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-Diethylamino-3-butanone primarily used for?
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1-Diethylamino-3-butanone is primarily used as a building block in organic synthesis, notably in the total synthesis of steroidal hydrochrysene derivatives and other chemical processes involving carbonyl compounds.
What is the CAS number and molecular formula for 1-Diethylamino-3-butanone?
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The CAS number for 1-Diethylamino-3-butanone is 3299-38-5, and its linear formula is (C2H5)2NCH2CH2COCH3.
What grade and purity does Tech Serve Solutions supply for 1-Diethylamino-3-butanone?
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Tech Serve Solutions supplies 1-Diethylamino-3-butanone with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
How should 1-Diethylamino-3-butanone be handled safely?
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1-Diethylamino-3-butanone is a flammable liquid and vapour (H226), causes skin irritation (H315), causes serious eye irritation (H319), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection. Store away from heat, sparks, and open flames.
Is 1-Diethylamino-3-butanone available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 1-Diethylamino-3-butanone, adhering to international shipping regulations.
How can I request a quote or sample for 1-Diethylamino-3-butanone?
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To request a quote or sample, please contact our sales department via the website or by phone, providing the product name and CAS number (3299-38-5).
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