Description

Diethyl (Z)-2-Bromobut-2-Enedioate is a high-value brominated diethyl ester derivative of maleic acid, serving as a versatile and reactive synthetic intermediate. Its core value proposition lies in its ability to introduce both bromine and ester functionalities in a single step, enabling efficient carbon-carbon bond formation and further functionalization. This compound is essential for researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials sectors, where it is used to construct complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key building block for the synthesis of active pharmaceutical ingredients (APIs), particularly in the development of molecules with complex stereocenters or heterocyclic structures.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and fungicides, leveraging its reactivity for creating novel bioactive compounds.
• Organic Synthesis & Research: Employed in Diels-Alder reactions, Michael additions, and palladium-catalyzed cross-coupling reactions (e.g., Heck, Suzuki) to create new carbon frameworks.
• Material Science Precursor: Acts as a monomer or cross-linking agent in the development of specialty polymers and functional organic materials.
• Fine Chemical Production: Serves as a starting material for synthesizing flavors, fragrances, and other high-value specialty chemicals.

Basic Information

Product Name	Diethyl (Z)-2-Bromobut-2-Enedioate
CAS No.	19372-01-1
Molecular Formula	C8H11BrO4
Molecular Weight	251.08 g/mol
Synonyms	(Z)-Diethyl 2-Bromobut-2-enedioate; Diethyl (Z)-2-Bromomaleate; (Z)-2-Bromobut-2-enedioic Acid Diethyl Ester; Bromomaleic Acid Diethyl Ester (Z-isomer); 2-Bromomaleic Acid Diethyl Ester; Diethyl Bromomaleate; 19372-01-1; (Z)-Diethyl bromofumarate
EINECS	Contact for details

Quality Control

Our Diethyl (Z)-2-Bromobut-2-Enedioate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flames. Due to its ester and halogenated nature, it should be stored separately from strong bases and reducing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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