4,4-Dimethyl-2-pentanone
4,4-Dimethyl-2-pentanone (CAS: 590-50-1) is a ketone with the molecular formula C7H14O and a molecular weight of 114.19 g/mol. This organic compound, also known as methyl neopentyl ketone, is characterised by its flammable liquid nature and is primarily utilised as a building block in chemical synthesis. Its specific structure makes it a valuable intermediate for creating more complex organic molecules in various research and industrial applications. It is supplied with a purity of 99%.
- IUPAC
- Methyl neopentyl ketone
- Synonyms
- (CH3)3CCH2COCH3Methyl neopentyl ketone

Organic Synthesis Intermediate
4,4-Dimethyl-2-pentanone serves as a versatile intermediate in organic synthesis. Its carbonyl group and alkyl structure allow for diverse chemical transformations, facilitating the construction of complex molecular architectures for research and development.
Ketone Chemistry Research
As a defined ketone, this compound is used in academic and industrial research laboratories to study reaction mechanisms, develop new synthetic methodologies, and explore the reactivity of sterically hindered ketones.
Building Block for Specialty Chemicals
This chemical acts as a foundational building block for the synthesis of specialty chemicals and fine chemical derivatives. Its unique structure can impart specific properties to target molecules.
| Molecular weight | 114.19 |
|---|---|
| Linear formula | (CH3)3CCH2COCH3 |
| Assay | 99% |
| Boiling point | 125-130 °C(lit.) |
| Density | 0.809 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.404(lit.) |

Hazard statements
- H225Highly flammable liquid and vapour
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 | 19 °C / 66.2 °F |
| Transport (UN / ADR) | UN 1224BE 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F |
| Risk statements (R) | 11 |
| Safety statements (S) | 16-29-33 |
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 4,4-Dimethyl-2-pentanone used for?
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4,4-Dimethyl-2-pentanone is primarily used as a building block in organic synthesis and for research in ketone chemistry. It serves as an intermediate for creating more complex organic molecules in various research and industrial applications.
What is the CAS number and formula for 4,4-Dimethyl-2-pentanone?
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The CAS number for 4,4-Dimethyl-2-pentanone is 590-50-1, and its linear formula is (CH3)3CCH2COCH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4,4-Dimethyl-2-pentanone with an assay of 99%. We do not represent this product as USP, BP, or EP grade unless explicitly stated in the product documentation.
How should 4,4-Dimethyl-2-pentanone be handled safely?
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4,4-Dimethyl-2-pentanone is a highly flammable liquid and vapour (H225). Handle with appropriate personal protective equipment, including eyeshields, face shields, gloves, and ensure adequate ventilation. Store away from heat, sparks, and open flames, and take precautionary measures against static discharge.
Is 4,4-Dimethyl-2-pentanone a controlled substance?
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The provided data does not indicate that 4,4-Dimethyl-2-pentanone is a controlled substance.
How is 4,4-Dimethyl-2-pentanone packed and shipped?
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4,4-Dimethyl-2-pentanone is shipped as a flammable liquid (UN 1224). Specific packing and shipping details are available upon request and conform to international regulations for hazardous materials.
How can I request a sample or quote for 4,4-Dimethyl-2-pentanone?
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To request a sample or a quote for 4,4-Dimethyl-2-pentanone, please contact the Tech Serve Solutions sales team through our website or by phone, providing your specific requirements.
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