1-Hexyn-3-ol
1-Hexyn-3-ol (CAS: 105-31-7, Formula: C6H10O) is a chiral secondary alcohol featuring a terminal alkyne. With a molecular weight of 98.14 g/mol, this compound serves as a valuable building block in organic synthesis. Its structure allows for diverse chemical transformations, making it useful in the development of complex molecules for research and industrial applications. It is supplied by TSS with an assay of 90%.

Organic Synthesis Intermediate
1-Hexyn-3-ol is utilised as a versatile intermediate in various organic synthesis pathways. Its alkyne and hydroxyl functionalities allow for participation in a range of coupling, addition, and derivatisation reactions.
Chiral Building Block
As a chiral molecule, 1-Hexyn-3-ol can be employed in asymmetric synthesis. It is used to introduce specific stereochemistry into target molecules, which is crucial in pharmaceutical and agrochemical research.
Research and Development
This compound finds application in academic and industrial R&D settings for the exploration of novel chemical entities and reaction methodologies. Its reactivity makes it a subject of interest for synthetic chemists.
| Molecular weight | 98.14 |
|---|---|
| Empirical formula | C6H10O |
| Assay | 90% |
| Boiling point | 118 °C |
| Density | 0.873 g/mL at 25 °C |
| Refractive index | n20/D 1.431 |



Hazard statements
- H226Flammable liquid and vapour
- H301Toxic if swallowed
- H310Fatal in contact with skin
- H318Causes serious eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P302IF ON SKIN
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 47 °C / 116.6 °F |
| Transport (UN / ADR) | UN 2929 3(6.1) / PGI |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T+ |
| Risk statements (R) | 10-25-27-41 |
| Safety statements (S) | 26-28-36/37/39-45 |
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-Hexyn-3-ol used for?
+
1-Hexyn-3-ol is primarily used as a versatile building block in organic synthesis, particularly in research and development for creating complex molecules and in asymmetric synthesis due to its chiral nature.
What is the CAS number and formula for 1-Hexyn-3-ol?
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The CAS number for 1-Hexyn-3-ol is 105-31-7, and its molecular formula is C6H10O.
What grade and purity does Tech Serve Solutions supply for 1-Hexyn-3-ol?
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Tech Serve Solutions supplies 1-Hexyn-3-ol with a minimum assay of 90%. TSS does not represent this product as USP, BP, or EP grade.
How should 1-Hexyn-3-ol be handled safely?
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1-Hexyn-3-ol is a flammable liquid and vapour (H226), toxic if swallowed (H301), toxic in contact with skin (H310), and causes serious eye damage (H318). Handle with extreme caution, wearing appropriate PPE including eyeshields, face shields, suitable gloves, and a full-face respirator or an ABEK type filter respirator. Ensure adequate ventilation and avoid ignition sources.
How is 1-Hexyn-3-ol packed and shipped?
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1-Hexyn-3-ol is carefully packed in compliance with international shipping regulations for hazardous materials and can be exported globally by TSS.
How can I request a sample or quote for 1-Hexyn-3-ol?
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To request a sample or a quotation for 1-Hexyn-3-ol, please contact the Tech Serve Solutions sales team via our website or by phone.
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