5-Decyn-1-ol
5-Decyn-1-ol (CAS 68274-97-5), with the molecular formula C10H18O and a molar mass of 154.25 g/mol, is a terminal alkyne alcohol. This compound serves as a valuable building block in organic synthesis. Its bifunctional nature, possessing both an alcohol group and an alkyne moiety, allows for diverse chemical transformations. It is frequently employed in the preparation of more complex organic molecules within research and development settings.

Organic Synthesis Intermediate
5-Decyn-1-ol is a versatile intermediate in organic chemistry, enabling the construction of complex molecular architectures. The terminal alkyne can undergo various coupling reactions, while the hydroxyl group can be functionalised or used in esterification and etherification processes.
Building Block for Specialty Chemicals
This compound acts as a key building block for the synthesis of specialty chemicals and advanced materials. Its structure allows for the introduction of a ten-carbon chain with both alkyne and alcohol functionalities into larger molecules.
Research and Development
Utilised in academic and industrial research laboratories for exploring novel synthetic routes and developing new chemical entities. Its defined structure and reactivity make it suitable for process development studies.
| Molecular weight | 154.25 |
|---|---|
| Linear formula | CH3(CH2)3C≡C(CH2)3CH2OH |
| Assay | 97% |
| Boiling point | 238 °C(lit.) |
| Density | 0.861 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.4610(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 | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 5-Decyn-1-ol used for?
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5-Decyn-1-ol is primarily used as a building block and intermediate in organic synthesis, particularly for creating more complex molecules in research and development.
What is the CAS number and molecular formula for 5-Decyn-1-ol?
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The CAS number for 5-Decyn-1-ol is 68274-97-5, and its linear formula is CH3(CH2)3C≡C(CH2)3CH2OH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Decyn-1-ol with a purity of 97%. This product is typically supplied for research and industrial use and is not represented as USP, BP, or EP grade.
How should 5-Decyn-1-ol be handled safely?
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5-Decyn-1-ol is classified as a Warning, with hazards including skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, such as eyeshields and gloves, should be worn. Ensure adequate ventilation and avoid breathing vapours. Refer to the Safety Data Sheet (SDS) for detailed handling procedures.
Is 5-Decyn-1-ol available for export?
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Yes, Tech Serve Solutions specialises in global supply and export of fine chemicals, including 5-Decyn-1-ol. We ensure products are packaged and shipped according to international regulations.
How can I request a sample or quote for 5-Decyn-1-ol?
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To request a sample or a quote for 5-Decyn-1-ol, please contact our sales team through the website or by phone, providing your specific requirements and shipping details.
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