2-Undecanone
2-Undecanone (CAS: 112-12-9), with the molecular formula C11H22O and a molecular weight of 170.29 g/mol, is a ketone found naturally in sources such as hops and ginger. This compound is recognised for its distinctive aroma and finds utility as an organic building block in chemical synthesis. Tech Serve Solutions supplies 2-Undecanone in a purum grade, offering chemists and researchers a reliable reagent for various laboratory and industrial applications.
- IUPAC
- Methyl nonyl ketone
- Synonyms
- Methyl nonyl ketone

Chemical Synthesis
As an organic building block, 2-Undecanone serves as a precursor or intermediate in the synthesis of more complex organic molecules. Its ketone functionality allows for a range of chemical transformations.
Flavor and Fragrance
This ketone possesses a characteristic odour profile, making it potentially useful in the formulation of fragrances and as a flavouring agent in specific applications, though its primary use is as a chemical intermediate.
Research and Development
2-Undecanone is employed in research laboratories for studies involving organic chemistry, natural product analysis, and the development of new chemical processes and materials.
| Molecular weight | 170.29 |
|---|---|
| Linear formula | CH3(CH2)8COCH3 |
| Assay | ≥97.0% (GC) |
| Grade | purum |
| Boiling point | 231-232 °C(lit.) |
| Density | 0.825 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.43(lit.)n20/D 1.430 |
| Melting point | 11-13 °C(lit.) |
| Vapour pressure | <1 mmHg (20 °C) |
| Vapour density | 5.9 (vs air) |

Hazard statements
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
- P501Dispose of contents and container per local regulations
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 89 °C / 192.2 °F |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | N |
| Risk statements (R) | 51/53 |
| Safety statements (S) | 23-24/25-61 |
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-Undecanone used for?
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2-Undecanone (CAS: 112-12-9) is primarily used as a building block in chemical synthesis and in research and development. It occurs naturally and has applications related to its ketone functionality and aroma.
What is the CAS number and molecular formula for 2-Undecanone?
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The CAS number for 2-Undecanone is 112-12-9. Its linear formula is CH3(CH2)8COCH3, and its molecular formula is C11H22O.
What grade and purity does Tech Serve Solutions supply for 2-Undecanone?
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Tech Serve Solutions supplies 2-Undecanone with a grade of purum and an assay of ≥97.0% (GC). We do not represent this product as USP, BP, EP, or other pharmacopoeial grades unless explicitly stated.
How should 2-Undecanone be handled safely?
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2-Undecanone is classified as H410 (Very toxic to aquatic life with long lasting effects). Handle with appropriate personal protective equipment including eyeshields and gloves. Ensure adequate ventilation and avoid release to the environment by using P273 and P501 precautionary statements. Consult the safety data sheet for detailed guidance.
How is 2-Undecanone packed and shipped?
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2-Undecanone is carefully packed to ensure safe transit and is exported by Tech Serve Solutions in compliance with all relevant international shipping regulations.
How can I request a sample or quote for 2-Undecanone?
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To request a sample or a quote for 2-Undecanone, please contact our sales team through the website or by phone, providing your specific requirements.
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