1-Bromoundecane
1-Bromoundecane (CAS 693-67-4), with the chemical formula CH3(CH2)10Br, is a long-chain alkyl halide. This organic compound is characterized by its 11-carbon chain terminated by a bromine atom. It serves as a versatile building block in organic synthesis, particularly in reactions involving alkylation and the introduction of the undecyl group into various molecular structures for research and development purposes.
- IUPAC
- Undecyl bromide
- Synonyms
- Undecyl bromide

Organic Synthesis Intermediate
1-Bromoundecane is widely utilized as an intermediate in the synthesis of more complex organic molecules. Its reactive C-Br bond allows for nucleophilic substitution reactions, enabling the formation of carbon-carbon or carbon-heteroatom bonds.
Research and Development
This compound finds application in academic and industrial research laboratories for exploring new synthetic pathways and developing novel materials or compounds. It is particularly useful in studies requiring the incorporation of an 11-carbon alkyl chain.
Building Block for Specialty Chemicals
As an organic building block, 1-Bromoundecane is employed in the preparation of specialty chemicals, including surfactants, lubricants, and polymers, where its long alkyl chain contributes specific physical and chemical properties.
| Molecular weight | 235.20 |
|---|---|
| Linear formula | CH3(CH2)10Br |
| Assay | 98% |
| Boiling point | 137-138 °C/18 mmHg(lit.) |
| Density | 1.054 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.457(lit.) |
| Vapour density | 8.2 (vs air) |
| Melting point | −9 °C(lit.) |
| Protective equipment | Eyeshields, Gloves |
|---|---|
| Flash point | 113 °C / 235.4 °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 1-Bromoundecane used for?
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1-Bromoundecane is primarily used as an intermediate in organic synthesis and as a building block for creating more complex molecules, specialty chemicals, and in research and development.
What are the CAS number and chemical formula for 1-Bromoundecane?
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The CAS number for 1-Bromoundecane is 693-67-4, and its chemical formula is CH3(CH2)10Br.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Bromoundecane with an assay of 98%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated in the product documentation.
How should 1-Bromoundecane be handled safely?
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1-Bromoundecane is combustible and requires handling with appropriate personal protective equipment, including eyeshields and gloves. It has a flash point of 113 °C (235.4 °F) and a WGK Germany rating of 3, indicating it is hazardous to water.
Is 1-Bromoundecane a controlled substance?
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Based on the provided data, there is no indication that 1-Bromoundecane is a controlled substance.
How is 1-Bromoundecane packed and shipped?
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Tech Serve Solutions exports chemicals globally and ensures appropriate packaging for safe transport according to international regulations. Specific packing details can be provided upon request.
How can I request a quote or sample for 1-Bromoundecane?
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To request a quote or a sample of 1-Bromoundecane, please contact our sales team through the website or by phone, referencing the product name and CAS number.
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