Methyl octanoate
Methyl octanoate (CAS: 111-11-5), with the linear formula CH₃(CH₂)₆COOCH₃ and a molecular weight of 158.24 g/mol, is a fatty ester. This compound presents as a clear liquid and is predominantly used as a building block in chemical synthesis and in cell biology research. Its applications extend to the food and fragrance industries due to its characteristic scent.
- IUPAC
- Caprylic acid methyl ester,Methyl caprylate
- Synonyms
- Methyl caprylateCaprylic acid methyl ester

Chemical Synthesis Intermediate
Methyl octanoate serves as a versatile intermediate in organic synthesis. It is employed in the production of various esters, polymers, and other fine chemicals, leveraging its reactive ester group for further functionalization.
Fragrance and Flavour Component
This compound possesses a fruity, apple-like aroma, making it a valuable ingredient in the formulation of fragrances and artificial flavourings. It can contribute specific scent profiles to perfumes, cosmetics, and food products.
Research and Development
In laboratory settings, methyl octanoate is utilised in cell biology studies and as a standard in analytical chemistry. Its well-defined properties make it suitable for investigating biochemical pathways and as a reference compound.
| Molecular weight | 158.24 |
|---|---|
| Linear formula | CH3(CH2)6COOCH3 |
| Assay | 99% |
| Grade | puriss. |
| Boiling point | 194-195 °C(lit.) |
| Density | 0.877 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.417(lit.) |
| Solubility | water: insoluble |

Hazard statements
- H315Causes skin irritation
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 69 °C / 156.2 °F |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 38 |
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 Methyl Octanoate used for?
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Methyl octanoate is primarily used as an intermediate in chemical synthesis, a component in fragrances and flavours, and in cell biology research.
What is the CAS number and chemical formula for Methyl Octanoate?
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The CAS number for Methyl Octanoate is 111-11-5, and its linear formula is CH₃(CH₂)₆COOCH₃.
What grade and purity does Tech Serve Solutions supply for Methyl Octanoate?
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Tech Serve Solutions supplies Methyl Octanoate with a purity of 99% and a grade of puriss. We do not represent this product as USP, BP, or EP grade.
How should Methyl Octanoate be handled safely?
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Methyl Octanoate is classified as a warning substance (GHS07) and is a skin irritant (H315). Appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection, should be used when handling.
Is Methyl Octanoate available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including Methyl Octanoate, and can fulfil international orders.
How can I request a sample or quote for Methyl Octanoate?
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To request a sample or a quote for Methyl Octanoate, please contact our sales team through the details provided on our website.
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