3-Octanone
3-Octanone (CAS: 106-68-3), with the molecular formula CH3(CH2)4COC2H5 and a molecular weight of 128.21 g/mol, is a ketone. This organic compound serves as a valuable building block in chemical synthesis and has been utilised in scientific research, including studies investigating photocatalytic oxidation processes. Available from Tech Serve Solutions with an assay of ≥98%, it is suitable for various laboratory and research applications.
- IUPAC
- Ethyl amyl ketone,Ethyl pentyl ketone
- Synonyms
- Ethyl amyl ketoneEthyl pentyl ketone

Chemical Synthesis Intermediate
As a ketone with a C8 chain, 3-Octanone functions as a versatile building block in organic synthesis. Its structure allows for various chemical transformations, making it useful in the development of more complex molecules for research purposes.
Research in Photocatalysis
3-Octanone has been employed in studies examining the effectiveness of photocatalysts. Research has investigated its role in understanding reaction kinetics and product distribution during photocatalytic oxidation processes.
Analytical Standards and Research
This compound can be used as an analytical standard or in research related to carbonyl compounds and ketones. Its defined properties make it suitable for spectroscopic and chromatographic investigations.
| Molecular weight | 128.21 |
|---|---|
| Linear formula | CH3(CH2)4COC2H5 |
| Assay | ≥98% |
| Boiling point | 167-168 °C(lit.) |
| Density | 0.822 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.415(lit.) |
| Application | 3-Octanone was used to study the effect TiO2 photocatalyst on the rate and the ratio of products generated in photocatalytic oxidation of 3-octanone1. |


Hazard statements
- H226Flammable liquid and vapour
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- 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 2271 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 10-36/37/38 |
| Safety statements (S) | 26-36 |
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-Octanone used for?
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3-Octanone is utilised as a building block in chemical synthesis and has been used in research, including studies on photocatalytic oxidation. It is also relevant in research concerning carbonyl compounds.
What are the CAS number and formula for 3-Octanone?
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The CAS number for 3-Octanone is 106-68-3, and its linear formula is CH3(CH2)4COC2H5.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Octanone with a minimum purity of 98% (assay ≥98%). We do not represent this product as USP, BP, or EP grade.
How should 3-Octanone be handled safely?
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3-Octanone is a flammable liquid and vapour (H226), and can cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment, including eyeshields, gloves, and ensure adequate ventilation. Refer to the Safety Data Sheet for full handling instructions.
How is 3-Octanone packed, shipped, and exported?
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3-Octanone is carefully packed according to international shipping regulations for hazardous materials. As a global supplier, Tech Serve Solutions exports this chemical to customers worldwide, adhering to all relevant transport and customs requirements.
How can I request a sample or quote for 3-Octanone?
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To request a sample or a quotation for 3-Octanone, please contact our sales department through the website or via direct email, providing your specific requirements.
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