2,4-Dimethyl-3-pentanone
2,4-Dimethyl-3-pentanone (CAS: 565-80-0), with the linear formula (CH3)2CHCOCH(CH3)2 and a molecular weight of 114.19 g/mol, is a ketone compound supplied by Tech Serve Solutions. This chemical is primarily utilised as a building block in organic synthesis and has been employed in experimental methods to determine isotopic fractionation factors adjacent to carbonyl groups in ketones. Available in a 98% assay, it is a valuable reagent for chemical research and development.
- IUPAC
- Diisopropyl ketone,Isobutyrone
- Synonyms
- Diisopropyl ketoneIsobutyrone

Organic Synthesis Building Block
2,4-Dimethyl-3-pentanone serves as a versatile building block in organic synthesis. Its ketone functionality allows for various chemical transformations, making it useful for constructing more complex molecules.
Isotopic Fractionation Studies
This compound has been utilised in research to measure equilibrium isotopic fractionation factors, specifically for C-bound hydrogen positions adjacent to a carbonyl group in ketones. This application is crucial for understanding reaction mechanisms and environmental processes.
Chemical Research and Development
As a readily available ketone with a defined structure, 2,4-Dimethyl-3-pentanone is a useful reagent for general chemical research and development purposes in academic and industrial laboratories.
| Molecular weight | 114.19 |
|---|---|
| Linear formula | (CH3)2CHCOCH(CH3)2 |
| Assay | 98% |
| Boiling point | 124 °C(lit.) |
| Density | 0.806 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.400(lit.) |
| Application | 2,4-Dimethyl-3-pentanone was used in an experimental method to measure the equilibrium isotopic fractionation factor (αeq) for C-bound H positions adjacent to carbonyl group in ketones1. |
| Melting point | −80 °C(lit.) |


Hazard statements
- H225Highly flammable liquid and vapour
- H332Harmful if inhaled
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 15 °C / 59 °F |
| Transport (UN / ADR) | UN 1224BE 3 / PGII |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | F,Xn |
| Risk statements (R) | 11-20 |
| Safety statements (S) | 9-16-24/25 |
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 2,4-Dimethyl-3-pentanone used for?
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2,4-Dimethyl-3-pentanone is used as a building block in organic synthesis and has been employed in experimental methods to measure isotopic fractionation factors adjacent to carbonyl groups in ketones.
What is the CAS number and formula for 2,4-Dimethyl-3-pentanone?
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The CAS number for 2,4-Dimethyl-3-pentanone is 565-80-0, and its linear formula is (CH3)2CHCOCH(CH3)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,4-Dimethyl-3-pentanone with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
How should 2,4-Dimethyl-3-pentanone be handled safely?
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2,4-Dimethyl-3-pentanone is a highly flammable liquid and vapour (H225) and harmful if inhaled (H332). Handle with appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection, in a well-ventilated area, away from ignition sources.
How is 2,4-Dimethyl-3-pentanone packed, shipped, and exported?
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2,4-Dimethyl-3-pentanone is packed in compliance with transport regulations for flammable liquids. Tech Serve Solutions exports chemicals globally, adhering to all relevant international shipping and customs requirements.
How can I request a sample or quote for 2,4-Dimethyl-3-pentanone?
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To request a sample or a quotation for 2,4-Dimethyl-3-pentanone, please contact our sales department through the website or by phone.
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