1-Phenylundecane
1-Phenylundecane (CAS: 6742-54-7), with the molecular formula C6H5(CH2)10CH3 and a molecular weight of 232.40 g/mol, is an aromatic hydrocarbon. This compound is characterised by a phenyl group attached to an eleven-carbon alkyl chain. It serves as a versatile organic building block in chemical synthesis and is employed in various research and development applications. Its properties make it suitable for laboratory-scale reactions and specialised industrial processes.
- IUPAC
- Undecylbenzene

Organic Synthesis Intermediate
1-Phenylundecane acts as a valuable intermediate in the synthesis of more complex organic molecules. Its structure allows for functionalisation at various points, facilitating the construction of diverse chemical entities for research purposes.
Research and Development
This compound is utilised in R&D laboratories for exploring new synthetic pathways and developing novel materials. Its availability as a building block supports academic and industrial research initiatives.
Specialty Chemical Applications
1-Phenylundecane may find application in niche areas requiring specific hydrocarbon chain lengths coupled with aromaticity, contributing to the development of specialised chemical products.
| Molecular weight | 232.40 |
|---|---|
| Linear formula | C6H5(CH2)10CH3 |
| Assay | 99% |
| Boiling point | 316 °C(lit.) |
| Density | 0.855 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.482(lit.) |
| Melting point | −5 °C(lit.) |

Hazard statements
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
- P501Dispose of contents and container per local regulations
| Flash point | 113 °C / 235.4 °F |
|---|---|
| Transport (UN / ADR) | UN 3082 9 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | N |
| Risk statements (R) | 50/53 |
| Safety statements (S) | 60-61 |
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 1-Phenylundecane used for?
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1-Phenylundecane is primarily used as an intermediate in organic synthesis and in research and development laboratories for exploring new chemical pathways and developing novel materials.
What is the CAS number and formula for 1-Phenylundecane?
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The CAS number for 1-Phenylundecane is 6742-54-7, and its molecular formula is C6H5(CH2)10CH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Phenylundecane with an assay of 99%. This is a technical or research grade material, and TSS does not represent it as USP, BP, EP, or other pharmacopoeia grades.
How should 1-Phenylundecane be handled and stored safely?
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1-Phenylundecane is classified as H410 (Very toxic to aquatic life with long lasting effects). Handle with appropriate personal protective equipment in a well-ventilated area. Avoid release to the environment. Store in a tightly closed container in a cool, dry place.
Is 1-Phenylundecane regulated or scheduled?
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Based on the provided data, 1-Phenylundecane is not indicated as a controlled substance. However, it is classified as hazardous to the environment (H410).
How is 1-Phenylundecane packed and exported by TSS?
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Tech Serve Solutions packs and exports 1-Phenylundecane according to international shipping regulations for hazardous materials, including UN 3082, 9, PGIII.
How can I request a quote or sample for 1-Phenylundecane?
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To request a quote or sample of 1-Phenylundecane, please contact the TSS sales team through our website or directly via email or phone.
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