cis-9-Heneicosene
cis-9-Heneicosene (CAS 39836-21-0), with the molecular formula CH3(CH2)10CH=CH(CH2)7CH3 and a molar mass of 294.56 g/mol, is an acyclic alkene. This compound serves as a valuable building block in organic synthesis. Its specific cis-configuration around the double bond offers unique reactivity and stereochemical control in various chemical transformations. Available at a purity of 97%, it is suitable for research and development purposes.

Organic Synthesis Intermediate
cis-9-Heneicosene acts as a versatile intermediate in the synthesis of more complex organic molecules. The presence of the internal cis-double bond allows for specific addition reactions and stereoselective transformations.
Building Block for Specialty Chemicals
This alkene can be employed as a fundamental building block for creating specialty chemicals, including potential pheromones or other biologically active compounds, where precise structural features are required.
Research and Development
Utilised in academic and industrial research laboratories for exploring new synthetic methodologies and developing novel chemical entities. Its defined structure makes it ideal for mechanistic studies.
| Molecular weight | 294.56 |
|---|---|
| Linear formula | CH3(CH2)10CH=CH(CH2)7CH3 |
| Assay | 97% |
| Refractive index | n20/D 1.45(lit.) |
| Flash point | 62 °C / 143.6 °F |
|---|---|
| Transport (UN / ADR) | UN 1993 / PGIII |
| 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 cis-9-Heneicosene used for?
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cis-9-Heneicosene is primarily used as an intermediate and building block in organic synthesis and for research and development purposes.
What is the CAS number and chemical formula for cis-9-Heneicosene?
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The CAS number is 39836-21-0 and the linear chemical formula is CH3(CH2)10CH=CH(CH2)7CH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies cis-9-Heneicosene with an assay of 97%. This is a research-grade material and TSS does not represent it as USP, BP, or EP.
What are the safety and handling considerations for cis-9-Heneicosene?
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cis-9-Heneicosene is a combustible liquid with a flash point of 62°C (143.6°F). It is classified under UN 1993, Packing Group III, and has a WGK Germany rating of 3, indicating it is hazardous to water. Handle with appropriate personal protective equipment in a well-ventilated area.
How is cis-9-Heneicosene packed, shipped, and exported?
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As a specialist global supplier and exporter, Tech Serve Solutions ensures that cis-9-Heneicosene is appropriately packed and shipped in compliance with international regulations for hazardous materials.
How can I request a quote or sample for cis-9-Heneicosene?
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To request a quote or sample for cis-9-Heneicosene, please contact our sales department through the website or by phone.
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