3-Hexyne
3-Hexyne (CAS: 928-49-4) is an organic alkyne with the formula C2H5C≡CC2H5 and a molecular weight of 82.14 g/mol. This flammable liquid is primarily utilised as a building block in organic synthesis. Its reactivity makes it suitable for creating complex molecular structures, including fused hetero-hydropyridyl ligands and cycloaddition products, finding applications in advanced chemical research and development.
Synthesis of Organometallic Ligands
3-Hexyne is employed in the preparation of fused hetero-hydropyridyl ligands. These ligands are subsequently bonded to the {Ru(p-cymene)} organometallic moiety through reactions with ruthenacycles.
Preparation of Cycloaddition Products
This alkyne serves as a reactant in [4+2] cycloaddition reactions. For instance, it has been used in the preparation of cycloaddition products through reactions with borole.
Organic Synthesis Building Block
As a versatile alkyne, 3-Hexyne functions as a key building block in various organic synthesis pathways. It enables the construction of diverse carbon frameworks for research purposes.
| Molecular weight | 82.14 |
|---|---|
| Linear formula | C2H5C≡CC2H5 |
| Assay | 99% |
| Boiling point | 81-82 °C(lit.) |
| Density | 0.723 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.411(lit.) |
| Vapour pressure | 186 mmHg (37.7 °C) |
| Application | 3-Hexyne was used in the synthesis of fused hetero-hydropyridyl ligands bonded to the {Ru(p-cymene)} organometallic moiety by reacting with ruthenacycles1. It was also used in the preparation of [4+2] cycloaddition product by reacting with borole2. |
Hazard statements
- H225Highly flammable liquid and vapour
- H304May be fatal if swallowed and enters airways
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P261Avoid breathing dust, fume, gas or vapours
- P301IF SWALLOWED
- P305IF IN EYES
- P331Do NOT induce vomiting
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | -14 °C / 6.8 °F |
| Transport (UN / ADR) | UN 3295BF 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,Xn |
| Risk statements (R) | 11-36/37/38-65 |
| Safety statements (S) | 16-26-36-62 |
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-Hexyne used for?
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3-Hexyne is used as a building block in organic synthesis, including the preparation of fused hetero-hydropyridyl ligands and cycloaddition products.
What is the CAS number and formula for 3-Hexyne?
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The CAS number for 3-Hexyne is 928-49-4, and its linear formula is C2H5C≡CC2H5.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Hexyne with an assay of 99%. This product is supplied for research and laboratory use and is not represented as USP, BP, EP, or any pharmacopoeia grade.
What are the primary safety concerns when handling 3-Hexyne?
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3-Hexyne is highly flammable (H225) and can be harmful if swallowed and enters airways (H304). It also causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including eye shields, gloves, and suitable respiratory protection, is essential.
How is 3-Hexyne packed, shipped, and exported?
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3-Hexyne is classified under UN 3295 BF 3 / PGII for transport. Tech Serve Solutions handles packing, shipping, and exporting of chemicals in compliance with all relevant regulations for international distribution.
How can I request a quote or sample for 3-Hexyne?
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To request a quote or sample of 3-Hexyne, please contact our sales team via the website or by phone. Specify the required quantity and any specific delivery details.
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