Description

Monomethyl Maleate is a versatile and reactive ester of maleic acid, serving as a key intermediate in organic synthesis and polymer chemistry. Its bifunctional structure, featuring both an ester and a carboxylic acid group, makes it a valuable building block for creating specialty chemicals and functional materials. This compound is essential for manufacturers in the polymer, pharmaceutical, and agrochemical industries seeking to develop advanced products with tailored properties.

Application

• Polymer Industry: A crucial monomer and cross-linking agent for producing alkyd resins, unsaturated polyester resins (UPR), and specialty polymers, enhancing durability and chemical resistance.
• Chemical Synthesis: Acts as a key intermediate in the synthesis of pharmaceuticals, agrochemicals, and fine chemicals, enabling the introduction of reactive maleate functionality.
• Adhesives & Coatings: Used in the formulation of high-performance adhesives, sealants, and coating systems to improve adhesion, flexibility, and curing properties.
• Plasticizers & Modifiers: Employed in the production of plasticizers and polymer modifiers to adjust the physical characteristics of final plastic products.
• Textile Chemicals: Serves as a component in the manufacture of textile finishing agents and dye intermediates.
• Research & Development: A valuable reagent in academic and industrial R&D labs for exploring new synthetic pathways and material science applications.

Basic Information

Product Name	Monomethyl Maleate
CAS No.	3052-50-4
Molecular Formula	C5H6O4
Molecular Weight	130.10 g/mol
Synonyms	Methyl hydrogen maleate; Maleic acid monomethyl ester; 2-Butenedioic acid (Z)-, monomethyl ester; Monomethyl maleic acid ester; Methyl maleate (partial ester); (Z)-2-Butenedioic acid monomethyl ester; 1-Carbomethoxy-1-propene-1,2-dicarboxylic acid; MME
EINECS	221-266-3

Quality Control

Our Monomethyl Maleate is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay, identity confirmation, and impurity profiling. A Certificate of Analysis (COA) detailing all specifications and test results is provided with every shipment to guarantee compliance with your technical requirements.

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 bases and incompatible materials such as oxidizing agents. The container must be kept tightly sealed to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	55 - 60 °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.