3-Hexyn-1-ol
3-Hexyn-1-ol (CAS 1002-28-4), with the molecular formula C2H5C≡CCH2CH2OH and a molecular weight of 98.14 g/mol, is a linear alkyne alcohol. This versatile organic compound serves as a valuable building block in chemical synthesis. Its structure, featuring both a terminal alkyne and a primary alcohol functional group, allows for a diverse range of chemical transformations, making it a key intermediate in the production of more complex molecules.

Organic Synthesis Intermediate
3-Hexyn-1-ol is utilised as a fundamental building block in organic synthesis. Its dual functionality enables participation in various reactions, including coupling, addition, and oxidation, facilitating the construction of intricate molecular architectures.
Pharmaceutical Research
This alkyne alcohol can be employed in the research and development of novel pharmaceutical compounds. It serves as a precursor or intermediate in the synthesis pathways for potential drug candidates, contributing to medicinal chemistry efforts.
Fine Chemical Manufacturing
As a fine chemical, 3-Hexyn-1-ol is incorporated into manufacturing processes for speciality chemicals. Its reactivity profile makes it suitable for creating diverse organic molecules with specific properties required in various industrial sectors.
| Molecular weight | 98.14 |
|---|---|
| Linear formula | C2H5C≡CCH2CH2OH |
| Assay | 98% |
| Boiling point | 63-64 °C/12 mmHg(lit.) |
| Density | 0.898 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.454(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 | 63 °C / 145.4 °F |
| Transport (UN / ADR) | NA 1993 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36/37/39 |
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 3-Hexyn-1-ol used for?
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3-Hexyn-1-ol is primarily used as an intermediate in organic synthesis, a building block for creating more complex molecules, and in pharmaceutical research.
What is the CAS number and molecular formula for 3-Hexyn-1-ol?
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The CAS number for 3-Hexyn-1-ol is 1002-28-4 and its molecular formula is C2H5C≡CCH2CH2OH.
What grade and purity does Tech Serve Solutions supply for 3-Hexyn-1-ol?
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Tech Serve Solutions supplies 3-Hexyn-1-ol with an assay of 98%. This product is intended for research and technical use; TSS does not represent it as USP, BP, or EP grade.
How should 3-Hexyn-1-ol be handled safely?
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3-Hexyn-1-ol is classified as a Warning substance with hazards including skin irritation (H315), eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection. Ensure adequate ventilation and avoid inhalation of vapours.
How is 3-Hexyn-1-ol packed and shipped?
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3-Hexyn-1-ol is available for purchase and export by Tech Serve Solutions. Packaging adheres to industry standards for chemical transport.
How can I request a quote or sample of 3-Hexyn-1-ol?
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To request a quote or sample of 3-Hexyn-1-ol, please contact the Tech Serve Solutions sales team through our website or direct inquiry channels.
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