3-Decyn-1-ol
3-Decyn-1-ol (CAS: 51721-39-2), with the molecular formula CH3(CH2)5C≡CCH2CH2OH and a molecular weight of 154.25 g/mol, is a terminal alkyne alcohol. This versatile organic compound serves as a valuable building block in chemical synthesis. Its structure, featuring both an alkyne and a primary alcohol functional group, allows for diverse chemical transformations and applications in organic chemistry research and development.

Organic Synthesis Intermediate
As a terminal alkyne, 3-Decyn-1-ol readily participates in click chemistry, Sonogashira couplings, and other alkyne-specific reactions. The terminal alcohol group can be further functionalised through esterification, etherification, or oxidation, making it a flexible intermediate for complex molecule construction.
Building Block for Specialty Chemicals
Its unique combination of functional groups makes it suitable for synthesising specialty chemicals, including potential pharmaceutical intermediates or materials science components. The C10 chain provides lipophilicity, which can be advantageous in certain applications.
Research and Development
3-Decyn-1-ol is employed in academic and industrial research laboratories for exploring new synthetic routes and developing novel compounds. Its availability as a building block facilitates the investigation of structure-activity relationships.
| Molecular weight | 154.25 |
|---|---|
| Linear formula | CH3(CH2)5C≡CCH2CH2OH |
| Assay | 97% |
| Boiling point | 130-131 °C/22 mmHg(lit.) |
| Density | 0.877 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.459(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 |
|---|---|
| Flash point | 107 °C / 224.6 °F |
| 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 3-Decyn-1-ol used for?
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3-Decyn-1-ol is primarily used as a building block in organic synthesis and for research and development purposes, enabling the creation of complex molecules and specialty chemicals.
What is the CAS number and chemical formula for 3-Decyn-1-ol?
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The CAS number for 3-Decyn-1-ol is 51721-39-2, and its linear formula is CH3(CH2)5C≡CCH2CH2OH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Decyn-1-ol with an assay of 97%. This product is intended for research and laboratory use; TSS does not represent it as USP, BP, EP, or other pharmacopoeia grades.
What are the safety and handling precautions for 3-Decyn-1-ol?
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3-Decyn-1-ol is a Warning-level chemical (GHS07) that can cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, including eyeshields and gloves, should be used. Ensure adequate ventilation or use a respirator. Consult the Safety Data Sheet (SDS) for full details.
How is 3-Decyn-1-ol packed, shipped, and exported?
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Tech Serve Solutions handles the packing, shipping, and export of 3-Decyn-1-ol in compliance with all relevant regulations, ensuring safe and secure delivery to our global clientele.
How can I request a sample or quote for 3-Decyn-1-ol?
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To request a sample or a quote for 3-Decyn-1-ol, please contact our sales team through the website or call us directly. We will respond promptly to your inquiry.
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