Determine the necessary mass, volume, or concentration for preparing a solution.
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
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≥98%, contains 0.01% Hydroquinone as stabilizer for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at 2-8°C,Argon charged Ships Wet ice Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
2-Ethynylpyridine is used in the synthesis of the self-doped ionic conjugated polymer, poly(2-ethynylpyridinimum N-benzoylsulfonate). May darken in storage with no loss in purity.
2-Ethynylpyridine has been used to synthesize:
• poly(2-ethynyl-N-iodopyridinium iodide), via in-situ uncatalyzed polymerization
• poly[2-ethynyl-N-(2-furoyl)pyridinium chloride
• poly[2-ethynyl-N-(propylsulfonate)pyridinium betaine]
• 4-(2′-pyridyl)-1,2,3-triphospholide anion, via reaction with anionic heptaphosphide clusters
• poly[N-(carboxymethyl)-2-ethynylpyridinium bromide], a new water-soluble ionic conjugated polymer
• self-doped ionic conjugated polymer, poly(2-ethynylpyridinimum N-benzoylsulfonate).
| Pubchem Sid | 488187938 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488187938 |
| Canonical Smiles | C#CC1=CC=CC=N1 |
| IUPAC Name | 2-ethynylpyridine |
| InChIKey | NHUBNHMFXQNNMV-UHFFFAOYSA-N |
| INCHI | 1S/C7H5N/c1-2-7-5-3-4-6-8-7/h1,3-6H |
| Isomeric SMILES | C#CC1=CC=CC=N1 |
| WGK Germany | 3 |
| Molecular Weight | 103.12 |
| Reaxy-Rn | 1098904 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1098904&ln= |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Organoheterocyclic compounds |
| Class | Pyridines and derivatives |
| Subclass | Not available |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Pyridines and derivatives |
| Alternative Parents | Heteroaromatic compounds Azacyclic compounds Acetylides Organopnictogen compounds Organonitrogen compounds Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteromonocyclic compounds |
| Substituents | Pyridine - Heteroaromatic compound - Acetylide - Azacycle - Organic nitrogen compound - Organopnictogen compound - Hydrocarbon derivative - Organonitrogen compound - Aromatic heteromonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as pyridines and derivatives. These are compounds containing a pyridine ring, which is a six-member aromatic heterocycle which consists of one nitrogen atom and five carbon atoms. |
| External Descriptors | Not available |
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Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
| Certificate of Analysis | Mar 10, 2026 | E106166 | |
| Certificate of Analysis | Apr 02, 2025 | E106166 | |
| Certificate of Analysis | Apr 02, 2025 | E106166 | |
| Certificate of Analysis | Apr 02, 2025 | E106166 | |
| Certificate of Analysis | Apr 02, 2025 | E106166 | |
| Certificate of Analysis | Apr 02, 2025 | E106166 | |
| Certificate of Analysis | Apr 02, 2025 | E106166 | |
| Certificate of Analysis | Jun 16, 2023 | E106166 | |
| Certificate of Analysis | Jun 16, 2023 | E106166 | |
| Certificate of Analysis | Jun 16, 2023 | E106166 | |
| Certificate of Analysis | Aug 10, 2022 | E106166 |
| Sensitivity | air & light & heat sensitive;Hygroscopic |
|---|---|
| Refractive Index | 1.557-1.561 |
| Flash Point(°F) | 76 °C |
| Flash Point(°C) | 76°C |
| Boil Point(°C) | 77-78°C |
| Molecular Weight | 103.120 g/mol |
| XLogP3 | 1.000 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 1 |
| Exact Mass | 103.042 Da |
| Monoisotopic Mass | 103.042 Da |
| Topological Polar Surface Area | 12.900 Ų |
| Heavy Atom Count | 8 |
| Formal Charge | 0 |
| Complexity | 109.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
| 1. Tianyou Chen, Wei Xiao, Zihao Wang, Pengfei Gan, Changfeng Yi, Zushun Xu. (2021) Pyrene-Containing Polymer-Supported Cu/TEMPO Catalytic Systems: Aromatic Stacking-Enhanced Cooperative Catalysis. Journal of Physical Chemistry C, [PMID:] [10.1021/acs.jpcc.1c09972] |