4-Octanol
4-Octanol (CAS 589-62-8), with the chemical formula CH3(CH2)3CH(OH)CH2CH2CH3, is a secondary alcohol with a molecular weight of 130.23 g/mol. This aliphatic alcohol serves as a versatile organic building block in chemical synthesis. It is commonly employed in the formulation of various chemical products and research applications, offering valuable chemical properties for organic transformations and material science.
- IUPAC
- Butyl propyl carbinol

Organic Synthesis Intermediate
4-Octanol is utilised as a key intermediate in the synthesis of more complex organic molecules. Its secondary alcohol functionality allows for various chemical modifications, including oxidation and esterification.
Research and Development
This compound finds application in research laboratories for exploring new chemical reactions and developing novel compounds. It serves as a standard reagent in academic and industrial R&D settings.
Specialty Chemical Production
4-Octanol can be incorporated into the production of specialty chemicals, potentially contributing to the properties of surfactants, solvents, or flavour and fragrance compounds, depending on further derivatization.
| Molecular weight | 130.23 |
|---|---|
| Linear formula | CH3(CH2)3CH(OH)CH2CH2CH3 |
| Assay | ≥97.0% (GC) |
| Boiling point | 174-176 °C(lit.) |
| Density | 0.818 g/mL at 20 °C(lit.) |
| Refractive index | n20/D 1.426 |
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 65 °C / 149 °F |
| Water hazard class (WGK, DE) | 3 |
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 4-Octanol used for?
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4-Octanol is used as an intermediate in organic synthesis, in research and development, and in the production of specialty chemicals.
What is the CAS number and chemical formula for 4-Octanol?
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The CAS number for 4-Octanol is 589-62-8, and its chemical formula is CH3(CH2)3CH(OH)CH2CH2CH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Octanol with an assay of ≥97.0% (GC). This is a technical/research grade, and TSS does not represent it as USP, BP, or EP grade.
What are the safety and handling considerations for 4-Octanol?
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4-Octanol is a combustible liquid (flash point 65°C / 149°F) and requires appropriate safety precautions. Personal protective equipment includes eyeshields and gloves. A multi-purpose combination respirator cartridge or an ABEK filter is recommended for respiratory protection.
Is 4-Octanol a controlled substance?
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Based on the provided data, 4-Octanol is not listed as a controlled substance.
How is 4-Octanol packed, shipped, and exported?
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Tech Serve Solutions specialises in the global supply and export of fine chemicals, adhering to all necessary regulations for safe packing, shipping, and international transit.
How can I request a quote or sample of 4-Octanol?
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To request a quote or a sample of 4-Octanol, please contact the Tech Serve Solutions sales team via our website or direct inquiry channels.
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