2-Hexanone
2-Hexanone (CAS: 591-78-6) is a versatile organic compound with the linear formula CH3(CH2)3COCH3 and a molecular weight of 100.16 g/mol. This ketone is characterised by its distinct odour and serves as a valuable building block in chemical synthesis. It finds applications as a solvent and as an intermediate in the production of various organic chemicals and pharmaceuticals.
- IUPAC
- Butyl methyl ketone
- Synonyms
- Butyl methyl ketone2-OxohexaneMethyl butyl ketone

Chemical Synthesis Intermediate
2-Hexanone is utilised as a precursor in the synthesis of more complex organic molecules. Its ketone functionality allows for a range of reactions, making it a useful intermediate in the development of pharmaceuticals and fine chemicals.
Solvent Applications
Due to its solvency properties, 2-Hexanone can be employed as a solvent in specific industrial processes. It is effective in dissolving various organic substances, contributing to its utility in chemical formulations.
Building Block for Organic Chemistry
As a member of the C3 to C6 carbonyl compounds and ketones category, 2-Hexanone serves as a fundamental building block in organic chemistry. It is used in research and development for creating novel chemical entities.
| Molecular weight | 100.16 |
|---|---|
| Linear formula | CH3(CH2)3COCH3 |
| Assay | ≥96.0% (GC) |
| Grade | purum |
| Boiling point | 127 °C(lit.) |
| Density | 0.812 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.401(lit.)n20/D 1.401 |
| Melting point | −57 °C(lit.) |
| Vapour pressure | 10 mmHg (39 °C) |



Hazard statements
- H226Flammable liquid and vapour
- H336May cause drowsiness or dizziness
- H361F
- H372Causes damage to organs through prolonged exposure
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P281Use personal protective equipment as required
- P314Get medical attention if you feel unwell
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 23 °C / 73.4 °F |
| Transport (UN / ADR) | UN 1224C 3 / PGIII |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | T |
| Risk statements (R) | 10-48/23-62-67 |
| Safety statements (S) | 36/37-45 |
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-Hexanone primarily used for?
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2-Hexanone is primarily used as a building block in chemical synthesis, an intermediate in the production of pharmaceuticals and fine chemicals, and as a solvent.
What are the CAS number and formula for 2-Hexanone?
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The CAS number for 2-Hexanone is 591-78-6 and its linear formula is CH3(CH2)3COCH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Hexanone with a purity of ≥96.0% (GC), designated as purum grade. We do not represent this product as USP, BP, or EP grade.
How should 2-Hexanone be handled safely?
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2-Hexanone is a flammable liquid and vapour, and can cause drowsiness or dizziness and damage to organs through prolonged or repeated exposure, and may damage fertility or the unborn child. Handle with appropriate personal protective equipment including eyeshields, gloves, and a suitable respirator, in a well-ventilated area. Refer to the Safety Data Sheet for comprehensive handling instructions.
How is 2-Hexanone packed, shipped, and exported?
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2-Hexanone is packed in compliance with international regulations for hazardous materials, ensuring safe transport. Tech Serve Solutions exports globally, adhering to all relevant shipping and customs requirements.
How can I request a quote or sample of 2-Hexanone?
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To request a quote or sample of 2-Hexanone, please contact our sales team through the website or by phone, providing your specific requirements.
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