11-Chloro-1-undecene
11-Chloro-1-undecene (CAS: 872-17-3) is an organic compound with the molecular formula Cl(CH2)9CH=CH2 and a molecular weight of 188.74 g/mol. This halogenated hydrocarbon features both a terminal alkene and a terminal alkyl chloride functional group. It serves as a versatile building block in organic synthesis, enabling the introduction of an eleven-carbon chain with reactive handles at both ends for further chemical transformations.

Organic Synthesis Intermediate
This compound is valuable for introducing a functionalized eleven-carbon chain into larger molecules. The presence of both a chloro group and a double bond allows for selective reactions at either end.
Polymer Chemistry
The terminal alkene moiety can participate in various polymerization reactions, while the chloro group offers a site for post-polymerization modification or cross-linking.
Research and Development
Used in academic and industrial research settings for the development of novel organic compounds and materials requiring specific chain lengths and functionalities.
| Molecular weight | 188.74 |
|---|---|
| Linear formula | Cl(CH2)9CH=CH2 |
| Assay | 97% |
| Boiling point | 108-109 °C/6 mmHg(lit.) |
| Density | 0.995 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.4510(lit.) |
| Protective equipment | Eyeshields, Gloves |
|---|---|
| Flash point | 104 °C / 219.2 °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 11-Chloro-1-undecene used for?
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11-Chloro-1-undecene is primarily used as an intermediate and building block in organic synthesis, particularly in polymer chemistry and research and development for creating novel organic compounds and materials.
What is the CAS number and formula for 11-Chloro-1-undecene?
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The CAS number is 872-17-3, and its linear formula is Cl(CH2)9CH=CH2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 11-Chloro-1-undecene with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should 11-Chloro-1-undecene be handled safely?
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When handling 11-Chloro-1-undecene, it is essential to use safety measures such as eyeshields and gloves. This compound has a flash point of 104 °C (219.2 °F). Consult the safety data sheet for full handling instructions.
Is 11-Chloro-1-undecene a controlled substance?
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Based on the provided data, 11-Chloro-1-undecene is not listed as a controlled substance.
How is 11-Chloro-1-undecene packed and shipped?
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11-Chloro-1-undecene is packed according to industry standards for safe transport and is available for global export by Tech Serve Solutions.
How can I request a quote or sample?
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To request a quote or sample of 11-Chloro-1-undecene, please contact Tech Serve Solutions directly through our website or sales department.
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