Determine the necessary mass, volume, or concentration for preparing a solution.
≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Protected from light,Argon charged,Room temperature Ships Normal 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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Pubchem Sid | 504768247 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/504768247 |
| Sonrisas canónicas | C#CC1=CC=NC=C1.Cl |
| IUPAC Name | 4-ethynylpyridine;hydrochloride |
| InChIKey | KFBZWZGIZHLUBX-UHFFFAOYSA-N |
| INCHI | 1S/C7H5N.ClH/c1-2-7-3-5-8-6-4-7;/h1,3-6H;1H |
| Isómeros SMILES | C#CC1=CC=NC=C1.Cl |
| WGK Alemania | 3 |
| Peso molecular | 139.58 |
| Reaxy-Rn | 9495327 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=9495327&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 |
| Clase | Pyridines and derivatives |
| Subclass | Pyridinium derivatives |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Pyridinium derivatives |
| Alternative Parents | Heteroaromatic compounds Azacyclic compounds Acetylides Organonitrogen compounds Organic chloride salts Hydrocarbon derivatives Organic cations |
| Molecular Framework | Aromatic heteromonocyclic compounds |
| Substituents | Pyridinium - Heteroaromatic compound - Acetylide - Azacycle - Organic nitrogen compound - Hydrocarbon derivative - Organic chloride salt - Organic salt - Organonitrogen compound - Organic cation - Aromatic heteromonocyclic compound |
| Descripción | This compound belongs to the class of organic compounds known as pyridinium derivatives. These are compounds containing a pyridinium ring, which is the cationic form of pyridine. |
| External Descriptors | Not available |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Fecha | Articulo |
|---|---|---|---|
| Certificate of Analysis | Mar 10, 2026 | E115761 | |
| Certificate of Analysis | Mar 10, 2026 | E115761 | |
| Certificate of Analysis | Feb 26, 2026 | E115761 | |
| Certificate of Analysis | Oct 29, 2025 | E115761 | |
| Certificate of Analysis | Oct 21, 2025 | E115761 | |
| Certificate of Analysis | Dec 28, 2024 | E115761 |
| Sensibilidad | Light Sensitive |
|---|---|
| Punto de fusión (°C) | 150°C |
| Peso molecular | 139.580 g/mol |
| XLogP3 | |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 1 |
| Exact Mass | 139.019 Da |
| Monoisotopic Mass | 139.019 Da |
| Topological Polar Surface Area | 12.900 Ų |
| Heavy Atom Count | 9 |
| Formal Charge | 0 |
| Complexity | 103.000 |
| 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 | 2 |