Description

Diethyl Acetylenedicarboxylate is a versatile and highly reactive diester of acetylenedicarboxylic acid, serving as a crucial building block in organic synthesis. Its value lies in its ability to act as a dienophile in Diels-Alder reactions and a dipolarophile in 1,3-dipolar cycloadditions, enabling the efficient construction of complex heterocyclic and carbocyclic frameworks. This compound is essential for R&D chemists and production units in the pharmaceutical, agrochemical, and advanced materials sectors, where it is used to synthesize active ingredients, ligands, and functional polymers.

Application

• Pharmaceutical Intermediates: Key starting material for synthesizing heterocyclic compounds with potential biological activity.
• Agrochemical Synthesis: Used in the production of novel pesticides and herbicides through cycloaddition chemistry.
• Polymer & Material Science: Acts as a monomer or cross-linking agent for creating specialized polymers with unique properties.
• Organic Synthesis Reagent: A fundamental reagent for Diels-Alder and 1,3-dipolar cycloaddition reactions in academic and industrial research.
• Dye & Pigment Manufacturing: Intermediate in the synthesis of complex organic dyes and functional colorants.
• Ligand & Catalyst Development: Building block for creating novel chelating ligands and organocatalysts.

Basic Information

Product Name	Diethyl Acetylenedicarboxylate
CAS No.	762-21-0
Molecular Formula	C8H10O4
Molecular Weight	170.16 g/mol
Synonyms	Acetylenedicarboxylic Acid Diethyl Ester; DEAD; Diethyl Acetylenedicarboxylate; Diethyl But-2-ynedioate; Ethyl Acetylenedicarboxylate; 2-Butynedioic Acid, Diethyl Ester
EINECS	212-087-7

Quality Control

Our Diethyl Acetylenedicarboxylate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay by GC or HPLC and identity confirmation by IR and NMR spectroscopy, to ensure high purity and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing the product meets your specified requirements for research and production.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources and incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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