Description

Ethyl Propiolate is a versatile and highly reactive acetylene ester, widely recognized by its CAS number 623-47-2. This compound serves as a critical building block in organic synthesis, enabling the efficient introduction of propiolate functionality for constructing complex molecular architectures. It is essential for research and production in the pharmaceutical, agrochemical, and specialty chemical industries, where it is used to synthesize active ingredients, fine chemicals, and advanced materials.

Application

• Pharmaceutical Intermediates: A key precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those containing acetylene or heterocyclic structures.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Polymer & Material Science: Acts as a monomer or cross-linking agent for specialty polymers, coatings, and adhesives with tailored properties.
• Fine Chemical Manufacturing: Employed in multi-step organic synthesis to create complex molecules for flavors, fragrances, and electronic chemicals.
• Click Chemistry Reagent: Utilized in Huisgen cycloaddition and other click chemistry reactions for bioconjugation and material functionalization.
• Research & Development: A valuable tool in academic and industrial R&D labs for exploring new synthetic methodologies and compound libraries.

Basic Information

Product Name	Ethyl Propiolate
CAS No.	623-47-2
Molecular Formula	C5H6O2
Molecular Weight	98.10 g/mol
Synonyms	Ethyl 2-Propynoate; Propiolic Acid Ethyl Ester; Ethyl Acetylene carboxylate; Ethyl Propynoate; Acetylene carboxylic acid ethyl ester; Ethyl propiolate (stabilized with HQ); Ethyl 2-propyn-1-oate; Ethyl prop-2-ynoate
EINECS	210-792-7

Quality Control

Our Ethyl Propiolate is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications. We adhere to cGMP principles where applicable to support our customers in regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials. Due to its highly volatile nature, keep containers tightly sealed when not in use. Recommended storage temperature is 2-8°C for long-term stability. Keep away from strong oxidizing agents and bases.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Stabilizer (HQ) Content	50-150 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.