1-Octen-3-ol
1-Octen-3-ol (CAS 3391-86-4), with the molecular formula C8H16O and a molar mass of 128.21 g/mol, is a chemical compound known for its characteristic mushroom-like odour. It is widely recognised as a key component in the aroma profiles of various natural products, including mushrooms and certain essential oils. This compound serves as a valuable building block in organic synthesis and finds applications in research related to cell biology and nutrition.
- IUPAC
- Pentyl vinyl carbinol
- Synonyms
- Pentyl vinyl carbinol

Organic Synthesis
1-Octen-3-ol is utilised as a versatile building block in organic synthesis. Its dual functionality, featuring both an alkene and a secondary alcohol, allows for diverse chemical transformations, enabling the construction of more complex molecules.
Flavour and Fragrance Research
This compound is a significant contributor to the aroma of natural sources like mushrooms and certain herbs. It is studied and used in research for understanding and replicating natural flavour and fragrance profiles.
Cell Biology Studies
As a naturally occurring compound found in biological systems, 1-Octen-3-ol is employed in cell biology research to investigate various biological processes and cellular responses.
Nutrition Research
Its presence in food and herbs makes 1-Octen-3-ol a subject of interest in nutrition research, particularly concerning the biochemical pathways and metabolic effects of dietary components.
| Molecular weight | 128.21 |
|---|---|
| Linear formula | CH3(CH2)4CH(OH)CH=CH2 |
| Assay | ≥98.0% (GC) |
| Boiling point | 84-85 °C/25 mmHg(lit.) |
| Density | 0.83 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.437(lit.)n20/D 1.437 |

Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- 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 | 68 °C / 154.4 °F |
| Transport (UN / ADR) | NA 1993 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/38 |
| Safety statements (S) | 26 |
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 1-Octen-3-ol used for?
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1-Octen-3-ol is primarily used as a building block in organic synthesis, in flavour and fragrance research, and in studies related to cell biology and nutrition due to its characteristic aroma and natural occurrence.
What is the CAS number and formula for 1-Octen-3-ol?
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The CAS number for 1-Octen-3-ol is 3391-86-4, and its linear formula is CH3(CH2)4CH(OH)CH=CH2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Octen-3-ol with a purity of ≥98.0% as determined by GC. This is a research-grade material, and TSS does not represent it as USP, BP, or EP grade.
How should 1-Octen-3-ol be handled safely?
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1-Octen-3-ol is classified with Warning signal word and hazards including H302 (Harmful if swallowed), H315 (Causes skin irritation), and H319 (Causes serious eye irritation). Appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, must be used. Ensure adequate ventilation and follow all safety precautions outlined in the Safety Data Sheet.
How is 1-Octen-3-ol typically packed, shipped, and exported?
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1-Octen-3-ol is available from TSS in various pack sizes suitable for laboratory and industrial use. As an exporter of fine chemicals, TSS adheres to all relevant international shipping regulations for hazardous materials.
How can I request a sample or quote for 1-Octen-3-ol?
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To request a sample or a quote for 1-Octen-3-ol, please contact the TSS sales department through the website or by direct inquiry, providing your specific requirements.
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