Description

2-Propynylmalonic Acid Diethyl Ester is a versatile bifunctional building block in organic synthesis, combining a reactive propargyl group with a malonate ester moiety. This compound is valued for its ability to undergo diverse carbon-carbon bond-forming reactions, enabling the construction of complex molecular architectures. It is primarily sought by research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for synthesizing active ingredients and novel intermediates.

Application

• Pharmaceutical Intermediate: A key synthon for constructing heterocyclic compounds, fused ring systems, and other complex scaffolds with potential biological activity.
• Agrochemical Synthesis: Used in the production of advanced pesticide and herbicide intermediates, leveraging its reactivity for structural diversification.
• Material Science Precursor: Serves as a monomer or cross-linking agent in the development of specialty polymers and resins with tailored properties.
• Organic Synthesis Building Block: Employed in Michael additions, alkylations, cycloadditions, and other C-C bond formation strategies in research and process chemistry.
• Ligand and Catalyst Development: Useful for synthesizing novel chelating ligands or organocatalysts for asymmetric synthesis.
• Fine Chemical Production: Integral to the multi-step synthesis of flavors, fragrances, and other high-value specialty chemicals.

Basic Information

Product Name	2-Propynylmalonic Acid Diethyl Ester
CAS No.	17920-23-9
Molecular Formula	C₁₀H₁₄O₄
Molecular Weight	198.22 g/mol
Synonyms	Diethyl 2-Propynylmalonate; Diethyl Propargylmalonate; Propargylmalonic Acid Diethyl Ester; Diethyl (2-Propynyl)propanedioate; Malonic Acid, 2-Propynyl-, Diethyl Ester; 2-Propynylmalonic Acid Diethyl Ester; Diethyl Prop-2-ynylmalonate
EINECS	241-875-4

Quality Control

Our 2-Propynylmalonic Acid Diethyl Ester is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A Certificate of Analysis (COA) detailing specific results for purity, identity, and related substances is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (typically 15-25°C). Keep away from strong oxidizing agents, strong bases, and sources of ignition.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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