2-Ethynylpyridine
2-Ethynylpyridine (CAS: 1945-84-2), with the molecular formula C7H5N and a molecular weight of 103.12 g/mol, is a heterocyclic organic compound. This pyridine derivative features an ethynyl substituent, making it a valuable building block in chemical synthesis. It is primarily utilised in the creation of specialised polymers, such as self-doped ionic conjugated polymers, and other complex organic molecules. Its defined structure and reactivity profile support advanced research and development applications.
Synthesis of Conjugated Polymers
2-Ethynylpyridine serves as a monomer in the synthesis of unique conjugated polymers. An example is its use in creating poly(2-ethynylpyridinium N-benzoylsulfonate), a self-doped ionic polymer with potential applications in materials science.
Heterocyclic Building Block
As a functionalised pyridine, it acts as a versatile building block in organic synthesis. It enables the introduction of the ethynylpyridine moiety into larger molecular architectures for the development of novel compounds.
Organic Synthesis Intermediate
The compound's reactive ethynyl group and pyridine ring allow for participation in various coupling reactions and functional group transformations, facilitating complex molecule construction in research settings.
| Molecular weight | 103.12 |
|---|---|
| Empirical formula | C7H5N |
| Assay | 98% |
| Boiling point | 85 °C/12 mmHg(lit.) |
| Density | 1.021 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.56(lit.) |
| Storage temperature | 2-8°C |
| Application | 2-Ethynylpyridine is used in the synthesis of the self-doped ionic conjugated polymer, poly(2-ethynylpyridinimum N-benzoylsulfonate). |
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 |
|---|---|
| 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 2-Ethynylpyridine used for?
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2-Ethynylpyridine is primarily used as a building block in chemical synthesis, notably in the creation of specialised conjugated polymers like poly(2-ethynylpyridinium N-benzoylsulfonate).
What is the CAS number and formula for 2-Ethynylpyridine?
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The CAS number for 2-Ethynylpyridine is 1945-84-2, and its molecular formula is C7H5N.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Ethynylpyridine with an assay of 98%. This product is suitable for research and chemical synthesis purposes and is not represented as USP, BP, or EP grade.
How should 2-Ethynylpyridine be handled safely?
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2-Ethynylpyridine is classified with GHS07 symbol and a Warning signal word. It carries hazard statements H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Appropriate personal protective equipment, including eyeshields and gloves, should be used. Handle in a well-ventilated area, and use a suitable respirator if ventilation is inadequate, adhering to precautionary statements P261, P305, P351, and P338.
How is 2-Ethynylpyridine packed, shipped, and exported?
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2-Ethynylpyridine is carefully packed to ensure product integrity during transit. As a global supplier, Tech Serve Solutions offers efficient export services for this chemical, complying with international shipping regulations.
How can I request a sample or quote for 2-Ethynylpyridine?
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To request a sample or a quote for 2-Ethynylpyridine, please contact the Tech Serve Solutions sales team via our website or direct contact details, specifying the product CAS number 1945-84-2.
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