Methyl 5-hexenoate
Methyl 5-hexenoate (CAS 2396-80-7) is an organic ester with the molecular formula CH₂:CH(CH₂)₃COOCH₃. This chemical compound serves as a valuable building block in organic synthesis. It is particularly useful in the preparation of various carbon-based molecules, owing to its ester functional group and terminal alkene.
- IUPAC
- 5-Hexenoic acid methyl ester

Organic Synthesis Intermediate
Methyl 5-hexenoate is employed as a key intermediate in the synthesis of more complex organic molecules. Its structure allows for diverse chemical transformations, making it a versatile reagent for research and development in chemistry.
Building Block for Fine Chemicals
This ester functions as a fundamental building block in the production of fine chemicals. It can be incorporated into synthetic pathways leading to pharmaceuticals, agrochemicals, and speciality materials.
Research and Development
Researchers utilise Methyl 5-hexenoate in laboratory settings to explore novel synthetic routes and develop new chemical entities. Its reactivity profile supports its use in academic and industrial research.
| Molecular weight | 128.17 |
|---|---|
| Linear formula | CH2:CH(CH2)3COOCH3 |
| Assay | ≥95.0% (GC) |
| Refractive index | n20/D 1.421 |


Hazard statements
- H226Flammable liquid and vapour
- H302Harmful if swallowed
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 46 °C / 114.8 °F |
| Transport (UN / ADR) | UN 3272 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 10-22 |
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 5-hexenoate used for?
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Methyl 5-hexenoate is primarily used as a building block and intermediate in organic synthesis for creating more complex organic molecules, including fine chemicals, and in research and development.
What is the CAS number and formula for Methyl 5-hexenoate?
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The CAS number for Methyl 5-hexenoate is 2396-80-7, and its linear formula is CH₂:CH(CH₂)₃COOCH₃.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Methyl 5-hexenoate with an assay of ≥95.0% (GC). This product is intended for research and technical use and is not represented as USP, BP, EP, or other pharmacopoeial grades.
How should Methyl 5-hexenoate be handled safely?
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Methyl 5-hexenoate is a flammable liquid and vapour (H226) and is harmful if swallowed (H302). Safe handling requires appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection such as a multi-purpose combination respirator cartridge. Ensure adequate ventilation and avoid ignition sources.
Is Methyl 5-hexenoate a controlled substance?
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Based on the provided data, Methyl 5-hexenoate (CAS 2396-80-7) is not indicated as a controlled substance. However, customers should always verify relevant local regulations.
How is Methyl 5-hexenoate shipped?
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Methyl 5-hexenoate is shipped as UN 3272, Class 3, Packing Group III, indicating it is a flammable liquid.
How can I request a sample or quote for Methyl 5-hexenoate?
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To request a sample or a quote for Methyl 5-hexenoate, please contact our sales team through the designated channels on the Tech Serve Solutions website.
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