3-Octanol
3-Octanol (CAS: 589-98-0), a secondary alcohol with the formula CH3(CH2)4CH(OH)CH2CH3, is a valuable organic building block. With a molecular weight of 130.23 g/mol, it is characterised by its refractive index of n20/D 1.426 and boiling point of 174-176 °C. 3-Octanol serves as a reference compound in analytical chemistry and is utilised in organic synthesis, contributing to the development of diverse chemical compounds and materials.
- IUPAC
- Ethyl pentyl carbinol

Analytical Reference Standard
3-Octanol functions as a critical reference compound in analytical studies. For instance, it has been employed in the detection of volatile metabolites produced by various fungal species, aiding in biochemical research.
Organic Synthesis Intermediate
As a versatile organic building block, 3-Octanol is integral to numerous chemical synthesis pathways. Its reactive hydroxyl group allows for derivatisation, making it a precursor for a wide range of organic compounds.
Research and Development
This secondary alcohol is frequently utilised in laboratory settings for research and development purposes. Its well-defined properties make it suitable for exploring new reactions and developing novel chemical entities.
| Molecular weight | 130.23 |
|---|---|
| Linear formula | CH3(CH2)4CH(OH)CH2CH3 |
| Assay | 99% |
| Boiling point | 174-176 °C(lit.) |
| Density | 0.818 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.426(lit.) |
| Vapour pressure | ~1 mmHg (20 °C) |
| Vapour density | ~4.5 (vs air) |
| Application | 3-Octanol was used as reference compound in detection of volatile metabolites from five fungal species cultivated on two media1. |

Hazard statements
- 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, 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) | 2 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 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-Octanol primarily used for?
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3-Octanol is used as a reference compound in analytical chemistry, particularly for detecting volatile metabolites, and as a building block in organic synthesis.
What are the CAS number and chemical formula for 3-Octanol?
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The CAS number for 3-Octanol is 589-98-0, and its chemical formula is CH3(CH2)4CH(OH)CH2CH3.
What grade and purity does Tech Serve Solutions supply for 3-Octanol?
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Tech Serve Solutions supplies 3-Octanol with an assay of 99%. We do not represent this product as USP, BP, or EP grade.
How should 3-Octanol be handled safely?
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3-Octanol is a Warning substance that may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment, including eyeshields and gloves, and ensure adequate ventilation. Use a multi-purpose combination respirator cartridge or an ABEK-type filter.
Is 3-Octanol a controlled substance?
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Based on the provided data, 3-Octanol is not indicated as a controlled substance.
How is 3-Octanol packed, shipped, or exported?
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3-Octanol is classified under UN 1993, Packing Group III, and is suitable for global export by Tech Serve Solutions.
How can I request a sample or quote for 3-Octanol?
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To request a sample or a quote for 3-Octanol, please contact our sales team through the TSS website.
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