Ethyl propiolate - ≥98%(GC) , CAS No.623-47-2

CAS: 623-47-2 Cat. No.: E107738 Molecular Weight: 98.10 Beilstein Registry Number: 878250 EC Number: 210-795-8
AVAILABLE TO ORDER
GRADE & PURITY ≥98%(GC)
Synonyms
ETHYL PROPIOLATE [MI] | Ethyl propiolate; | Ethyl propiolate, 99% | W235G5U52S | A833725 | Ethyl 2-propynoate | ethyl propalate | F0001-1671 | Propynoic Acid Ethyl Ester | AI3-37704 | ethyl propargylate | prop-2-ynoic acid ethyl ester | J-521279 | Q271227
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5ml
E107738-5ml
3

$22.90

$38.90
Save $16.00 (41.13%)
10ml
E107738-10ml
1

$37.90

$68.90
Save $31.00 (44.99%)
25ml
E107738-25ml
2

$93.90

$153.90
Save $60.00 (38.99%)
100ml
E107738-100ml
2

$299.90

$554.90
Save $255.00 (45.95%)
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Why this grade

≥98%(GC) for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at 2-8°C,Argon charged Ships Wet ice Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
ETHYL PROPIOLATE [MI] | Ethyl propiolate; | Ethyl propiolate, 99% | W235G5U52S | A833725 | Ethyl 2-propynoate | ethyl propalate | F0001-1671 | Propynoic Acid Ethyl Ester | AI3-37704 | ethyl propargylate | prop-2-ynoic acid ethyl ester | J-521279 | Q271227
Specifications & Purity
≥98%(GC)
Storage
Store at 2-8°C, Argon charged
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%(GC)
Names and Identifiers
Pubchem Sid504752276
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504752276
Canonical SmilesCCOC(=O)C#C
IUPAC Nameethyl prop-2-ynoate
InChIKeyFMVJYQGSRWVMQV-UHFFFAOYSA-N
INCHI1S/C5H6O2/c1-3-5(6)7-4-2/h1H,4H2,2H3
Isomeric SMILES CCOC(=O)C#C
WGK Germany 3
UN Number 3272
Molecular Weight 98.10
Beilstein 878250
Reaxy-Rn 878250
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=878250&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
SubclassCarboxylic acid derivatives
Intermediate Tree Nodes Carboxylic acid esters - Alpha,beta-unsaturated carboxylic esters
Direct ParentYnoate esters
Alternative Parents Monocarboxylic acids and derivatives  Acetylides  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic acyclic compounds
Substituents Ynoate ester - Acetylide - Monocarboxylic acid or derivatives - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Carbonyl group - Aliphatic acyclic compound
DescriptionThis 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 terminal acetylenic compound - ethyl ester - ynoate ester
3D Structure
Interactive Chemical Structure Model





Associated Targets(non-human)
Tetrahymena pyriformis (68 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

12 results found

Lot NumberCertificate TypeDateItem
K2222500Certificate of AnalysisMay 13, 2026 E107738
K2222508Certificate of AnalysisMay 13, 2026 E107738
K2222544Certificate of AnalysisMay 13, 2026 E107738
J2028122Certificate of AnalysisMar 20, 2026 E107738
J2028123Certificate of AnalysisFeb 05, 2026 E107738
A2404212Certificate of AnalysisOct 21, 2025 E107738
A2404826Certificate of AnalysisOct 21, 2025 E107738
K2327036Certificate of AnalysisSep 04, 2025 E107738
L2502380Certificate of AnalysisJul 12, 2024 E107738
L2502395Certificate of AnalysisJul 12, 2024 E107738
A2404827Certificate of AnalysisNov 29, 2023 E107738
L1708009Certificate of AnalysisJun 06, 2023 E107738

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Chemical and Physical Properties
SolubilityMiscible with alcohol.
SensitivityAir sensitive
Refractive Index1.412
Flash Point(°F)77 °F
Flash Point(°C)25 °C
Boil Point(°C)120°C
Melt Point(°C)9°C
Molecular Weight98.100 g/mol
XLogP31.000
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count2
Exact Mass98.0368 Da
Monoisotopic Mass98.0368 Da
Topological Polar Surface Area26.300 Ų
Heavy Atom Count7
Formal Charge0
Complexity106.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Citations of This Product
References
1. Xiaofang Lin, Sisi Chen, Weihong Lu, Ming Liu, Zhengbiao Zhang, Jian Zhu, Xiangqiang Pan.  (2021)  Diselenide–yne polymerization for multifunctional selenium-containing hyperbranched polymers.  Polymer Chemistry,  12  (23): (3383-3390).  [PMID:] [10.1039/D1PY00506E]
Solution Calculators
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