Description

Diethyl Itaconate is a high-purity ester derivative of itaconic acid, serving as a versatile and reactive monomer for advanced polymer synthesis. Its bifunctional structure, featuring both a double bond and ester groups, makes it a valuable building block for creating polymers with tailored properties such as enhanced flexibility, adhesion, and chemical resistance. This compound is essential for R&D chemists and production engineers in the coatings, adhesives, specialty plastics, and pharmaceutical intermediate sectors seeking to innovate with bio-based or performance monomers.

Application

• Polymer & Resin Synthesis: A key monomer for producing specialty copolymers, including acrylic resins, polyitaconates, and pressure-sensitive adhesives (PSAs).
• Coatings & Inks: Imparts improved flexibility, gloss, and durability to industrial coatings, automotive finishes, and printing inks.
• Adhesive Formulations: Used to modify the tack, peel strength, and aging properties of adhesive systems.
• Pharmaceutical Intermediates: Serves as a precursor in the synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals.
• Cross-linking Agent: Utilized to introduce cross-links into polymer networks, enhancing thermal and mechanical stability.
• Organic Synthesis: Acts as a Michael acceptor or dienophile in various organic reactions for constructing complex molecules.

Basic Information

Product Name	Diethyl Itaconate
CAS No.	2409-52-1
Molecular Formula	C9H14O4
Molecular Weight	186.21 g/mol
Synonyms	Diethyl 2-methylenesuccinate; Itaconic Acid Diethyl Ester; Ethyl Itaconate; 2-Methylenesuccinic Acid Diethyl Ester; Diethyl Methylenesuccinate; DEI; Diethyl ester of itaconic acid
EINECS	219-309-7

Quality Control

Our Diethyl Itaconate is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing to ensure it meets the high-purity standards required for industrial and research applications. A detailed Certificate of Analysis (COA) documenting identity, purity, and impurity profiles 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 at room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.435 - 1.445
Density (20°C)	1.040 - 1.060 g/mL

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