Ethyl propiolate, 99%

About Ethyl propiolate, 99%

Ethyl propiolate is an ester carrying the CAS registry number 623-47-2 with a typical assay of 99%. With the molecular formula C5H6O2, it has a molar mass of 98.1 g/mol. Its systematic (IUPAC) name is ethyl prop-2-ynoate. Alternative names: Propargylic acid ethyl ester and Propiolic acid ethyl ester.

It is supplied as a colourless to light yellow to orange liquid. Literature values give a boiling point of 120 °C. Store in a cool, well-ventilated place, away from sources of ignition, with the container tightly sealed. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Typical applications include organic synthesis and API synthesis. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Available in 5 g, 25 g, 100 g and 1 kg packs, Ethyl propiolate is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Ethyl propiolate, 99%
Catalogue No.	VQ-008816
CAS Number	623-47-2
IUPAC name	ethyl prop-2-ynoate
Molecular formula	C₅H₆O₂
Molecular weight	98.1 g/mol
Exact mass	98.0368
Purity / assay	99%
HSN code	29039990
InChIKey	FMVJYQGSRWVMQV-UHFFFAOYSA-N
SMILES	CCOC(=O)C#C
PubChem CID	12182

Physical properties
Physical form	Liquid
Appearance	Colourless to light yellow to orange liquid
Boiling point	120 °C
LogP (XLogP3)	1
H-bond donors / acceptors	0 / 2
TPSA	26.3 Å²
Synonyms	Propargylic acid ethyl ester, Propiolic acid ethyl ester, Ethyl propargylate, Ethyl acetylenecarboxylate, (Ethoxycarbonyl)acetylene, 2-Propynoic acid, ethyl ester, Ethyl 2-propynoate, Propiolic acid, ethyl ester, Propynoic Acid Ethyl Ester, 2-propynoic acid ethyl ester, ethyl propioloate, ethyl propio late

Safety & hazard information (GHS)

Flammable

Harmful / irritant

Signal word: Warning

Hazard statements

H226Flammable liquid and vapor
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P210, P233, P240, P241, P242, P243, P261, P264, P264 + P265, P271, P280, P302 + P352, P303 + P361 + P353, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P370 + P378, P403 + P233, P403 + P235, P405

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Ethyl propiolate, 99%?

The CAS Registry Number of Ethyl propiolate, 99% is 623-47-2. It is also known as Propargylic acid ethyl ester, Propiolic acid ethyl ester, Ethyl propargylate.

What is the molecular formula and molecular weight of Ethyl propiolate, 99%?

Ethyl propiolate, 99% has the molecular formula C5H6O2 and a molecular weight of 98.1 g/mol. Its IUPAC name is ethyl prop-2-ynoate.

Which grade and pack sizes of Ethyl propiolate, 99% can I order?

We supply Ethyl propiolate, 99% in (99%) grade, in 5 g, 25 g, 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Ethyl propiolate, 99%?

Yes. Every lot of Ethyl propiolate, 99% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Ethyl propiolate, 99% be shipped internationally?

Yes. Ethyl propiolate, 99% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.