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≥98%(HPLC) for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at 2-8°C,Protected from light,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 13 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
4-Ethynylaniline, also known as p-ethynylaniline, is a terminal alkyne. Its synthesis using 2-methyl-3-butyn-2-ol (MEBYNOL) has been reported. The transition metal catalyzed polymerization of 4-ethynylaniline to afford poly(4-ethynylaniline) has been reported.The impact of the surface functionalization with 4-ethynylaniline on the thermal behavior of multi-walled carbon nanotubes (MWNTs) and graphene has been investigated.
4-Ethynylaniline may be used in the synthesis of N-methyliminodiethyl 4-(4-ethynylphenyliminomethyl)benzeneboronate. It can also be used to prepare an acetylene ligand, HC2-NDI (NDI= 1,4,5,8-naphthalenediimide).
Used as an alkyne component in a synthesis of indoles from nitroarenes in the presence of a palladium-phenantroline catalyst.
| Pubchem Sid | 504762710 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/504762710 |
| Canonical Smiles | C#CC1=CC=C(C=C1)N |
| IUPAC Name | 4-ethynylaniline |
| InChIKey | JXYITCJMBRETQX-UHFFFAOYSA-N |
| INCHI | 1S/C8H7N/c1-2-7-3-5-8(9)6-4-7/h1,3-6H,9H2 |
| Isomeric SMILES | C#CC1=CC=C(C=C1)N |
| WGK Germany | 3 |
| Molecular Weight | 117.15 |
| Beilstein | 2205180 |
| Reaxy-Rn | 2205181 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2205181&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 | Benzenoids |
| Class | Benzene and substituted derivatives |
| Subclass | Aniline and substituted anilines |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Aniline and substituted anilines |
| Alternative Parents | Acetylides Primary amines Organopnictogen compounds Hydrocarbon derivatives |
| Molecular Framework | Aromatic homomonocyclic compounds |
| Substituents | Aniline or substituted anilines - Acetylide - Organic nitrogen compound - Organopnictogen compound - Hydrocarbon derivative - Primary amine - Organonitrogen compound - Amine - Aromatic homomonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as aniline and substituted anilines. These are organic compounds containing an aminobenzene moiety. |
| External Descriptors | Not available |
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 11, 2026 | E156336 | |
| Certificate of Analysis | Mar 11, 2026 | E156336 | |
| Certificate of Analysis | Mar 11, 2026 | E156336 | |
| Certificate of Analysis | Jan 30, 2026 | E156336 | |
| Certificate of Analysis | Jan 30, 2026 | E156336 | |
| Certificate of Analysis | Jan 30, 2026 | E156336 | |
| Certificate of Analysis | Jan 30, 2026 | E156336 | |
| Certificate of Analysis | Jul 24, 2025 | E156336 | |
| Certificate of Analysis | Jul 24, 2025 | E156336 | |
| Certificate of Analysis | Jul 24, 2025 | E156336 | |
| Certificate of Analysis | Jun 12, 2024 | E156336 | |
| Certificate of Analysis | Apr 27, 2022 | E156336 | |
| Certificate of Analysis | Mar 10, 2022 | E156336 | |
| Certificate of Analysis | Mar 10, 2022 | E156336 | |
| Certificate of Analysis | Mar 10, 2022 | E156336 | |
| Certificate of Analysis | Mar 10, 2022 | E156336 | |
| Certificate of Analysis | Mar 10, 2022 | E156336 | |
| Certificate of Analysis | Mar 10, 2022 | E156336 |
| Sensitivity | Moisture & air & light sensitive |
|---|---|
| Melt Point(°C) | 98-102 °C |
| Molecular Weight | 117.150 g/mol |
| XLogP3 | 1.300 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 1 |
| Exact Mass | 117.058 Da |
| Monoisotopic Mass | 117.058 Da |
| Topological Polar Surface Area | 26.000 Ų |
| Heavy Atom Count | 9 |
| Formal Charge | 0 |
| Complexity | 123.000 |
| 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 |
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