Methyl propiolate, 99%

Name: Methyl propiolate, 99%
Brand: Vaqora Chemicals
SKU: VQ-008912

About Methyl propiolate, 99%

Methyl propiolate is an ester carrying the CAS registry number 922-67-8 at a purity of 99%. Its molecular formula is C4H4O2 and its molecular weight is 84.07 g/mol. The IUPAC name is methyl prop-2-ynoate. Common synonyms include Methyl acetylenecarboxylate and Methyl propynoate.

It is supplied as a colourless to light yellow liquid. Literature values give a boiling point of 102 °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 “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span organic synthesis and molecular biology workflows. It is used across pharmaceutical manufacturing and academic and industrial research.

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

Typical applications

Organic synthesis
Molecular biology workflows

Industries

Specifications & identifiers

Chemical identifiers
Product name	Methyl propiolate, 99%
Catalogue No.	VQ-008912
CAS Number	922-67-8
IUPAC name	methyl prop-2-ynoate
Molecular formula	C₄H₄O₂
Molecular weight	84.07 g/mol
Exact mass	84.0211
Purity / assay	99%
HSN code	29399900
InChIKey	IMAKHNTVDGLIRY-UHFFFAOYSA-N
SMILES	COC(=O)C#C
PubChem CID	13536

Physical properties
Physical form	Liquid
Appearance	Colourless to light yellow liquid
Boiling point	102 °C
LogP (XLogP3)	0.6
H-bond donors / acceptors	0 / 2
TPSA	26.3 Å²
Synonyms	Methyl acetylenecarboxylate, Methyl propynoate, Propiolic acid, methyl ester, methyl propargylate, Propynoic acid methyl ester, methyl 2-propynoate, 4-02-00-01688 (Beilstein Handbook Reference), methyl acetylenemonocarboxylate, 2-Propynoic acid, methyl ester, Methyl ethynecarboxylate, Propiolic Acid Methyl Ester, Propynoic acid, methyl ester

Safety & hazard information (GHS)

Flammable

Harmful / irritant

Signal word: Danger

Hazard statements

H225Highly flammable 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 Methyl propiolate, 99%?

The CAS Registry Number of Methyl propiolate, 99% is 922-67-8. It is also known as Methyl acetylenecarboxylate, Methyl propynoate, Propiolic acid, methyl ester.

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

Methyl propiolate, 99% has the molecular formula C4H4O2 and a molecular weight of 84.07 g/mol. Its IUPAC name is methyl prop-2-ynoate.

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

We supply Methyl 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 Methyl propiolate, 99%?

Yes. Every lot of Methyl 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 Methyl propiolate, 99% be shipped internationally?

Yes. Methyl 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.