Description

(E)-2-Pentenedioic Acid Diethyl Ester is a high-purity, unsaturated diester compound with significant utility as a versatile chemical intermediate. Its value lies in its reactive diene and ester functionalities, which enable its use in the synthesis of complex molecules and specialty polymers. This product is essential for research and development chemists, process engineers, and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors seeking reliable building blocks for their synthetic pathways.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring unsaturated dicarboxylate frameworks.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators.
• Polymer & Resin Modifier: Serves as a monomer or cross-linking agent in specialty polymers to introduce specific functional groups and modify material properties.
• Organic Synthesis Reagent: Employed in Diels-Alder reactions and other cycloadditions to construct complex cyclic and heterocyclic compounds in R&D laboratories.
• Flavor & Fragrance Ingredient Synthesis: Acts as a precursor for certain esters and lactones used in creating specific aroma profiles.
• Chemical Research: A valuable standard and reagent for methodological development and academic research in synthetic organic chemistry.

Basic Information

Product Name	(E)-2-Pentenedioic Acid Diethyl Ester
CAS No.	73178-43-5
Molecular Formula	C9H14O4
Molecular Weight	186.21 g/mol
Synonyms	Diethyl (E)-2-Pentenedioate; (E)-2-Pentenedioic Acid Diethyl Ester; trans-2-Pentenedioic Acid Diethyl Ester; Diethyl Glutaconate; Glutaconic Acid Diethyl Ester; Diethyl trans-Glutaconate; Ethyl Glutaconate; 2-Pentenedioic acid, diethyl ester, (2E)-
EINECS	Contact for details

Quality Control

Our (E)-2-Pentenedioic Acid Diethyl Ester is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including chromatographic purity assays and identity confirmation, to ensure it meets the high standards required for industrial and research applications. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and test results 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 (15-25°C). Keep away from strong oxidizing agents, strong bases, and heat sources.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0% (Area %)
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.440 - 1.445
Specific Gravity (20°C)	1.040 - 1.060

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