Diethyl Maleate (DEM), chemically known as diethyl (Z)-2-butenedioate or maleic acid diethyl ester, is a vital chemical compound with a broad range of industrial applications. As a colorless, transparent liquid, DEM is characterized by its specific physical and chemical properties that make it an indispensable intermediate and building block in various manufacturing processes. NINGBO INNO PHARMCHEM CO.,LTD. serves as a leading manufacturer and supplier, providing high-purity Diethyl Maleate to meet global demand.

Key Properties of Diethyl Maleate:

• Appearance: Colorless transparent liquid.
• Purity: Typically assayed at ≥98.0%.
• CAS Number: 141-05-9.
• Molecular Formula: C8H12O4.
• Boiling Point: Approximately 223°C at 101.3 kPa.
• Melting Point: Around -10°C.
• Solubility: Slightly soluble in water, but readily soluble in organic solvents like ethanol and ether.

Diverse Industrial Applications:

The versatility of Diethyl Maleate is evident in its widespread use across several key industries:

• Agrochemical Intermediate: It is a critical precursor in the synthesis of the widely used insecticide, Malathion. This application alone underscores its importance in global crop protection strategies.
• Polymer Synthesis: DEM acts as a monomer in the production of various polymers and copolymers, including polyesters, polyacrylates, and polymethacrylates. These polymers find use in coatings, adhesives, packaging, and engineering plastics due to their desirable properties like flexibility and chemical resistance.
• Plasticizers: It can be used as a comonomer in the production of plasticizers, which enhance the flexibility and workability of plastics such as PVC.
• Resin Modification: DEM can modify the properties of resins and coatings, improving characteristics like adhesion and weather resistance.
• Other Uses: It also serves roles as a fungicide, a rust-prevention additive, and in the synthesis of pharmaceuticals and fragrances.

For businesses looking to buy Diethyl Maleate, sourcing from a reputable manufacturer and supplier like NINGBO INNO PHARMCHEM CO.,LTD. is crucial. We ensure consistent quality, reliable supply, and competitive pricing, making us an ideal partner for your manufacturing needs. Our commitment as a premier Diethyl Maleate supplier in China means we understand the importance of purity and timely delivery for your critical processes.

Request a quote today to secure your supply of high-quality Diethyl Maleate and leverage its extensive applications in your industry. Partner with us for all your chemical intermediate requirements.