≥97% 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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
N-3 protecting reagent for uridines and thymidines.
Methyl propiolate was used in the synthesis of polysubstituted 3-arylaminoacrylate and tetrahydropyrimidin-2-one derivatives. It was also used as a thiol derivatizing agent for capillary electrophoresis.
Used in a one-pot, four-component synthesis of 1,2,3,5-benzenetetracarboxylates promoted by Ph3P.
| Pubchem Sid | 504752457 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/504752457 |
| Canonical Smiles | COC(=O)C#C |
| IUPAC Name | methyl prop-2-ynoate |
| InChIKey | IMAKHNTVDGLIRY-UHFFFAOYSA-N |
| INCHI | 1S/C4H4O2/c1-3-4(5)6-2/h1H,2H3 |
| Isomeric SMILES | COC(=O)C#C |
| WGK Germany | 3 |
| RTECS | UE0050000 |
| UN Number | 3272 |
| Molecular Weight | 84.07 |
| Beilstein | 605462 |
| Reaxy-Rn | 605462 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=605462&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 | Organic acids and derivatives |
| Class | Carboxylic acids and derivatives |
| Subclass | Carboxylic acid derivatives |
| Intermediate Tree Nodes | Carboxylic acid esters - Alpha,beta-unsaturated carboxylic esters |
| Direct Parent | Ynoate esters |
| Alternative Parents | Methyl esters Monocarboxylic acids and derivatives Acetylides Organic oxides Hydrocarbon derivatives Carbonyl compounds |
| Molecular Framework | Aliphatic acyclic compounds |
| Substituents | Ynoate ester - Methyl ester - Acetylide - Monocarboxylic acid or derivatives - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Carbonyl group - Aliphatic acyclic compound |
| Description | This compound belongs to the class of organic compounds known as ynoate esters. These are an alpha,beta-unsaturated carboxylic ester of general formula R1C#CC(=O)OR2 (R2= organyl compound) in which the ester C=O function is conjugated to a C#C double bond at the alpha,beta position. |
| 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 |
|---|---|---|---|
 I2207868 | Certificate of Analysis | Mar 20, 2026 | M106792 |
| I2207870 | Certificate of Analysis | Mar 20, 2026 | M106792 |
| C2623165 | Certificate of Analysis | Sep 19, 2025 | M106792 |
| F2608101 | Certificate of Analysis | Sep 19, 2025 | M106792 |
| J2511619 | Certificate of Analysis | Sep 19, 2025 | M106792 |
| J2511620 | Certificate of Analysis | Sep 19, 2025 | M106792 |
| J2511621 | Certificate of Analysis | Sep 19, 2025 | M106792 |
| L2301198 | Certificate of Analysis | Sep 04, 2025 | M106792 |
| B2512101 | Certificate of Analysis | Nov 18, 2023 | M106792 |
| B2514010 | Certificate of Analysis | Nov 18, 2023 | M106792 |
| L2301197 | Certificate of Analysis | Nov 18, 2023 | M106792 |
| L2301199 | Certificate of Analysis | Nov 18, 2023 | M106792 |
| D1811183 | Certificate of Analysis | Aug 07, 2023 | M106792 |
| I2207869 | Certificate of Analysis | Aug 08, 2022 | M106792 |
| Solubility | Not miscible in water. |
|---|---|
| Sensitivity | Air sensitive |
| Refractive Index | 1.408 |
| Flash Point(°F) | 60.8 °F |
| Flash Point(°C) | 10℃ |
| Boil Point(°C) | 103-105°C |
| Molecular Weight | 84.070 g/mol |
| XLogP3 | 0.600 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 1 |
| Exact Mass | 84.0211 Da |
| Monoisotopic Mass | 84.0211 Da |
| Topological Polar Surface Area | 26.300 Ų |
| Heavy Atom Count | 6 |
| Formal Charge | 0 |
| Complexity | 95.400 |
| 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 |
