2,4-Hexadiyne-1,6-diol
2,4-Hexadiyne-1,6-diol (CAS: 3031-68-3) is a unique organic compound featuring two terminal hydroxyl groups separated by a conjugated diyne system. This structure imparts specific reactivity, making it a valuable building block in organic synthesis. It is primarily utilised in the development of novel materials and complex organic molecules, serving as a versatile intermediate for researchers and industrial chemists. Its defined purity ensures reliable performance in demanding chemical processes.
- Synonyms
- 3031-68-3HOCH2C≡CC≡CCH2OH

Organic Synthesis
Serves as a bifunctional building block for constructing complex organic molecules. The conjugated diyne moiety can participate in various cycloaddition and coupling reactions.
Material Science
Used in the research and development of novel polymers and advanced materials. Its rigid diyne structure can contribute to unique material properties such as thermal stability and optical characteristics.
Research and Development
A key intermediate for academic and industrial laboratories exploring new chemical pathways and synthesising compounds with specific functionalities.
| Molecular weight | 110.11 |
|---|---|
| Linear formula | HOCH2C≡CC≡CCH2OH |
| Assay | ≥98.0% (GC) |
| Storage temperature | 2-8°C |
| Melting point | 109-112 °C |

Hazard statements
- H228Flammable solid
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
| Protective equipment | Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 1325 4.1 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F |
| Risk statements (R) | 11 |
| Safety statements (S) | 16-22-24/25 |
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 2,4-Hexadiyne-1,6-diol used for?
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2,4-Hexadiyne-1,6-diol is primarily used as a building block in organic synthesis and in the development of advanced materials. Its conjugated diyne structure makes it a versatile intermediate for creating complex organic molecules.
What is the CAS number and formula for 2,4-Hexadiyne-1,6-diol?
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The CAS number for 2,4-Hexadiyne-1,6-diol is 3031-68-3. Its linear formula is HOCH₂C≡CC≡CCH₂OH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,4-Hexadiyne-1,6-diol with an assay of ≥98.0% (GC). TSS does not represent this product as USP, BP, EP, or other pharmacopoeial grades.
How should 2,4-Hexadiyne-1,6-diol be handled safely?
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2,4-Hexadiyne-1,6-diol is flammable (H228) and requires careful handling. Use in a well-ventilated area, wear appropriate personal protective equipment including eyeshields, gloves, and a respirator. Store at 2-8°C and keep away from ignition sources.
How is this chemical shipped and exported?
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2,4-Hexadiyne-1,6-diol is classified under UN 1325, Hazard Class 4.1, Packing Group II. As a global supplier, Tech Serve Solutions adheres to all international shipping and export regulations for hazardous materials.
How can I request a sample or quote for 2,4-Hexadiyne-1,6-diol?
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To request a sample or a quote, please visit the Tech Serve Solutions website or contact our sales team directly with your specific requirements.
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