3,3-Dimethyl-2,4-pentanedione
3,3-Dimethyl-2,4-pentanedione (CAS: 3142-58-3) is a chemical compound with the linear formula CH3COC(CH3)2COCH3 and a molecular weight of 128.17 g/mol. This diketone serves as a versatile building block in organic synthesis. Its reactivity makes it useful in the preparation of various chemical intermediates and complex organic molecules, finding applications in research and development settings within the chemical industry.
- Synonyms
- 3142-58-3CH3COC(CH3)2COCH3

Organic Synthesis Intermediate
3,3-Dimethyl-2,4-pentanedione is employed as a key intermediate in the synthesis of more complex organic molecules. Its diketone structure allows for diverse chemical transformations, making it valuable for developing novel compounds.
Research and Development
This compound is utilised in research laboratories for exploring new synthetic pathways and developing innovative chemical entities. It serves as a valuable reagent for academic and industrial research chemists.
Building Block for Specialty Chemicals
As an organic building block, 3,3-Dimethyl-2,4-pentanedione contributes to the creation of specialty chemicals. Its structure can be incorporated into larger molecules for specific material or pharmaceutical applications.
| Molecular weight | 128.17 |
|---|---|
| Linear formula | CH3COC(CH3)2COCH3 |
| Assay | 97% |
| Boiling point | 25-26 °C/2 mmHg(lit.) |
| Density | 0.978 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.4290(lit.) |
| Protective equipment | Eyeshields, Gloves, half-mask respirator (EU), half-mask respirator (US), multi-purpose combination respirator cartridge (US) |
|---|---|
| Flash point | 73 °C / 163.4 °F |
| Transport (UN / ADR) | NA 1993 / PGIII |
| Water hazard class (WGK, DE) | 3 |
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 3,3-Dimethyl-2,4-pentanedione used for?
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3,3-Dimethyl-2,4-pentanedione is primarily used as a building block and intermediate in organic synthesis and research and development for creating complex organic molecules and specialty chemicals.
What is the CAS number and formula for 3,3-Dimethyl-2,4-pentanedione?
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The CAS number for 3,3-Dimethyl-2,4-pentanedione is 3142-58-3, and its linear formula is CH3COC(CH3)2COCH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,3-Dimethyl-2,4-pentanedione with an assay of 97%. We do not represent this product as USP, BP, EP, or other pharmacopoeia grades unless explicitly stated.
What are the safety and handling precautions for 3,3-Dimethyl-2,4-pentanedione?
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3,3-Dimethyl-2,4-pentanedione is flammable and combustible, with a flash point of 73 °C (163.4 °F). It requires handling with appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection. Ensure adequate ventilation and avoid ignition sources.
How is 3,3-Dimethyl-2,4-pentanedione packed, shipped, and exported?
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3,3-Dimethyl-2,4-pentanedione is carefully packed according to international shipping regulations for hazardous materials. We offer export services globally.
How can I request a quote or sample for 3,3-Dimethyl-2,4-pentanedione?
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To request a quote or sample, please contact our sales team through the TSS website or by phone, providing your specific requirements and delivery details.
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