Description

Dimethyl Maleate is a high-purity diester of maleic acid, valued for its reactivity as a versatile chemical intermediate and monomer. Its primary commercial significance lies in its ability to undergo addition and polymerization reactions, making it a key building block for advanced materials. This product is essential for manufacturers in the polymer, specialty chemical, and pharmaceutical industries seeking reliable, high-quality raw materials for synthesis and formulation.

Application

• Polymer & Resin Production: Serves as a co-monomer in the synthesis of specialty polymers, coatings, and adhesives, contributing to flexibility and cross-linking.
• Organic Synthesis Intermediate: A crucial building block for manufacturing fine chemicals, pharmaceuticals, and agrochemicals via Diels-Alder, Michael addition, or esterification reactions.
• Plasticizer & Modifier: Used in the formulation of plasticizers to modify the physical properties of polymers like PVC, improving processability and performance.
• Cross-linking Agent: Employed in thermosetting resin systems to enhance thermal stability, chemical resistance, and mechanical strength.
• Flavor & Fragrance Industry: Acts as a precursor in the synthesis of certain ester-based aroma compounds.
• Research & Development: Utilized in laboratories for method development and as a standard in analytical chemistry.

Basic Information

Product Name	Dimethyl Maleate
CAS No.	23055-10-9
Molecular Formula	C6H8O4
Molecular Weight	144.13 g/mol
Synonyms	Dimethyl (Z)-butenedioate; Maleic Acid Dimethyl Ester; Methyl Maleate; Dimethyl (Z)-2-Butenedioate; 2-Butenedioic Acid (Z)-, Dimethyl Ester; DMM
EINECS	245-422-6

Quality Control

Our Dimethyl Maleate is manufactured under a stringent quality management system. Every batch undergoes comprehensive analytical testing, including assay, identity confirmation, and impurity profiling, to ensure it meets precise specifications for industrial and synthetic applications. A Certificate of Analysis (COA) detailing purity, physical properties, and test results is provided with each shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is between 15°C and 25°C. Keep containers tightly sealed when not in use to maintain product integrity.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0 %
Water Content (KF)	≤ 0.5 %
Specific Gravity (20°C)	1.150 - 1.165
Refractive Index (20°C)	1.440 - 1.445

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