Description

Dimethyl (Z)-2,3-Diacetyloxybut-2-Enedioate is a high-purity diester derivative of maleic acid, widely recognized as a versatile chemical intermediate. Its value lies in its bifunctional structure, which makes it a crucial building block for synthesizing more complex organic molecules. This compound is primarily needed by manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries for research, development, and production processes.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for molecules requiring functionalized maleate backbones.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators where its ester groups facilitate further chemical modifications.
• Polymer & Resin Modifier: Acts as a cross-linking agent or comonomer to introduce specific properties like flexibility or reactivity into specialty polymers and coatings.
• Organic Synthesis Building Block: Employed in research laboratories and fine chemical production for Diels-Alder reactions, Michael additions, and other cyclization processes.
• Dye & Pigment Manufacturing: Functions as an intermediate in the synthesis of complex organic colorants and light-sensitive materials.

Basic Information

Product Name	Dimethyl (Z)-2,3-Diacetyloxybut-2-Enedioate
CAS No.	130-84-7
Molecular Formula	C10H12O8
Molecular Weight	260.20 g/mol
Synonyms	Dimethyl Acetylenedicarboxylate Dimer; Dimethyl 2,3-Diacetoxybut-2-enedioate; Dimethyl 2,3-Diacetoxyfumarate; (Z)-Dimethyl 2,3-Diacetoxybut-2-enedioate; Acetylenedicarboxylic Acid Dimethyl Ester Dimer; DAD; DMAD Dimer
EINECS	204-996-2

Quality Control

Our Dimethyl (Z)-2,3-Diacetyloxybut-2-Enedioate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure it meets high-purity standards suitable for synthetic applications. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are available upon request to support your quality assurance protocols.

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 and bases. For long-term storage, consider an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	92 - 96 °C
Loss on Drying	≤ 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.