1-Phenyl-1-hexyne
1-Phenyl-1-hexyne (CAS: 1129-65-3), with the molecular formula C12H14 and a molecular weight of 158.24 g/mol, is a terminal alkyne derivative. This organic compound serves as a valuable building block in organic synthesis. It is commonly employed in chemical research and development for the construction of more complex molecular architectures, contributing to advancements in various scientific fields.
- IUPAC
- 1-Hexynylbenzene

Organic Synthesis Intermediate
1-Phenyl-1-hexyne is utilized as a key intermediate in the synthesis of complex organic molecules. Its alkyne functionality allows for diverse chemical transformations and derivatizations.
Research and Development
This compound finds application in research laboratories for exploring new synthetic pathways and developing novel chemical entities. Its structure makes it suitable for various coupling reactions and functional group interconversions.
Building Block for Specialty Chemicals
As an organic building block, 1-Phenyl-1-hexyne can be incorporated into the synthesis of specialty chemicals with tailored properties. This is important for material science and drug discovery applications.
| Molecular weight | 158.24 |
|---|---|
| Linear formula | C6H5C≡C(CH2)3CH3 |
| Assay | 99% |
| Boiling point | 229-232 °C(lit.) |
| Density | 0.9 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.5349(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Flash point | 98 °C / 208.4 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-27-36/37/39 |
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-Phenyl-1-hexyne used for?
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1-Phenyl-1-hexyne is primarily used as a versatile building block in organic synthesis and in research and development for creating complex organic molecules and exploring new synthetic methodologies.
What are the CAS number and formula for 1-Phenyl-1-hexyne?
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The CAS number for 1-Phenyl-1-hexyne is 1129-65-3, and its molecular formula is C12H14.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Phenyl-1-hexyne with a purity of 99%. This product is supplied for laboratory and research use and is not represented as USP, BP, or EP grade.
How should 1-Phenyl-1-hexyne be handled?
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1-Phenyl-1-hexyne is a Warning substance that can cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment, including eyeshields, gloves, and a P2 mask type N95 (US). Ensure adequate ventilation.
Is 1-Phenyl-1-hexyne a controlled substance?
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Based on the provided data, 1-Phenyl-1-hexyne is not indicated as a controlled or scheduled substance.
How is 1-Phenyl-1-hexyne packed and shipped?
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1-Phenyl-1-hexyne is available for export and is packed according to standard chemical handling and shipping regulations to ensure safe transit.
How can I request a sample or quote for 1-Phenyl-1-hexyne?
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To request a sample or a quote for 1-Phenyl-1-hexyne, please contact our sales team through the website or by phone.
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