7-Octenoic acid
7-Octenoic acid (CAS: 18719-24-9), with the molecular formula C8H14O2 and a molecular weight of 142.20 g/mol, is a valuable acyclic carboxylic acid. Characterised by its double bond at the 7th position, this compound serves as a versatile building block in organic synthesis. Its reactivity makes it suitable for various chemical transformations and the creation of more complex molecules.

Organic Synthesis Intermediate
7-Octenoic acid functions as a key intermediate in the synthesis of diverse organic compounds. Its carboxylic acid group and terminal alkene offer multiple reaction sites for functionalisation and chain extension.
Building Block for Specialty Chemicals
This compound is utilized as a C8 building block in the development of specialty chemicals. It can be incorporated into polymers, surfactants, or other molecules requiring specific chain lengths and unsaturation.
Research and Development
In R&D settings, 7-Octenoic acid is employed for exploring novel synthetic pathways and creating new chemical entities. Its defined structure aids in precise molecular design for various applications.
| Molecular weight | 142.20 |
|---|---|
| Empirical formula | C8H14O2 |
| Assay | 97% |
| Density | 0.925 g/mL at 25 °C |
| Refractive index | n20/D 1.442 |
| pH | 4 |



Hazard statements
- H302Harmful if swallowed
- H314Causes severe skin burns and eye damage
- H400Very toxic to aquatic life
Precautionary statements
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Flash point | >110 °C / >230 °F |
|---|---|
| Transport (UN / ADR) | UN 3265 8 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C,N |
| Risk statements (R) | 22-34-41-50 |
| Safety statements (S) | 26-36/37/39-45-61 |
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 7-Octenoic acid used for?
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7-Octenoic acid is used as an intermediate in organic synthesis and as a building block for specialty chemicals in research and development.
What are the CAS number and formula for 7-Octenoic acid?
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The CAS number for 7-Octenoic acid is 18719-24-9, and its molecular formula is C8H14O2.
What grade and purity does Tech Serve Solutions supply for 7-Octenoic acid?
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Tech Serve Solutions supplies 7-Octenoic acid with an assay of 97%. This product is supplied for technical and research purposes and is not represented as USP, BP, EP, or pharmaceutical grade.
How should 7-Octenoic acid be handled safely?
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7-Octenoic acid is classified as Danger, with hazards including H302 (Harmful if swallowed) and H314 (Causes severe skin burns and eye damage). It is also H400 (Very toxic to aquatic life). Handle with appropriate personal protective equipment (gloves, eye protection) in a well-ventilated area, avoiding release into the environment. Refer to the Safety Data Sheet for comprehensive guidance.
How is 7-Octenoic acid packed and exported by TSS?
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As a specialist global supplier and exporter, Tech Serve Solutions ensures appropriate packaging and adherence to regulations for the export of chemicals like 7-Octenoic acid.
How can I request a sample or quote for 7-Octenoic acid?
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To request a sample or quote for 7-Octenoic acid, please contact the Tech Serve Solutions sales team through our official channels.
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