2,2-Dimethyl-3,5-hexanedione
2,2-Dimethyl-3,5-hexanedione (CAS: 7307-04-2) is a diketone with a molecular weight of 142.20 g/mol. It serves as a versatile organic building block in chemical synthesis. Characterised by its two carbonyl groups, this compound is valuable for reactions involving nucleophilic addition and condensation, making it useful in the development of more complex molecules.
- Synonyms
- 7307-04-2

Organic Synthesis Intermediate
Utilised as a building block in the synthesis of diverse organic compounds. Its diketone structure allows for participation in various cyclisation and condensation reactions.
Reagent in Carbonyl Chemistry
Serves as a reactive species in reactions characteristic of beta-diketones. It can undergo enolisation and subsequent electrophilic or nucleophilic attack.
Research and Development
Employed in laboratory settings for the exploration of new synthetic pathways and the creation of novel chemical entities. Its specific structural features are of interest in medicinal chemistry research.
| Molecular weight | 142.20 |
|---|---|
| Linear formula | (CH3)3CC(O)CH2C(O)CH3 |
| Assay | 97% |
| Density | 0.912 g/mL at 25 °C |
| Refractive index | n20/D 1.460 |


Hazard statements
- H226Flammable liquid and vapour
- H302Harmful if swallowed
- H319Causes serious eye irritation
Precautionary statements
- 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 | 51 °C / 123.8 °F |
| Transport (UN / ADR) | UN 1224C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 10-22 |
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 2,2-Dimethyl-3,5-hexanedione primarily used for?
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2,2-Dimethyl-3,5-hexanedione is primarily used as an intermediate in organic synthesis and as a reagent in carbonyl chemistry research and development.
What are the CAS number and chemical formula for 2,2-Dimethyl-3,5-hexanedione?
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The CAS number is 7307-04-2 and the linear formula is (CH3)3CC(O)CH2C(O)CH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,2-Dimethyl-3,5-hexanedione with a purity of 97%. We do not represent this product as USP, BP, or EP grade.
How should 2,2-Dimethyl-3,5-hexanedione be handled safely?
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Handle with care, observing the GHS hazards: it is flammable (H226) and harmful if swallowed (H302), causing serious eye irritation (H319). Ensure adequate ventilation and use appropriate personal protective equipment, including safety glasses, gloves, and a suitable respirator.
Is 2,2-Dimethyl-3,5-hexanedione shipped internationally?
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Yes, Tech Serve Solutions exports and ships fine chemicals globally. Please contact us for specific export details and requirements.
How can I request a quote or sample for 2,2-Dimethyl-3,5-hexanedione?
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To request a quote or a sample, please use the contact form on our website or call our sales department. Provide the product name and CAS number (7307-04-2) for prompt service.
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