Description

Dipropyl 2-Methylidenebutanedioate is a diester derivative of itaconic acid, valued for its role as a versatile chemical intermediate and monomer. Its bifunctional structure, featuring both an ester group and an exocyclic methylene group, makes it a valuable building block for polymerization and specialty synthesis. This compound is primarily sought by manufacturers in the polymer, coatings, and specialty chemical industries for developing novel materials with tailored properties.

Application

• Polymer & Resin Modification: Acts as a reactive monomer or cross-linking agent in the production of specialty acrylic and polyester resins.
• Coatings & Adhesives: Used to synthesize polymers for high-performance coatings, inks, and adhesive formulations, enhancing flexibility and durability.
• Pharmaceutical Intermediates: Serves as a key synthon in the multi-step synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals.
• Lubricant & Plasticizer Additives: Employed in the creation of ester-based additives that improve the performance of industrial lubricants and plasticizers.
• Organic Synthesis: Utilized in Diels-Alder reactions and other organic transformations to construct complex molecular architectures.

Basic Information

Product Name	Dipropyl 2-Methylidenebutanedioate
CAS No.	13401-95-1
Molecular Formula	C11H18O4
Molecular Weight	214.26 g/mol
Synonyms	Dipropyl Itaconate; Dipropyl 2-Methylenesuccinate; Di-n-propyl itaconate; Itaconic Acid Dipropyl Ester; 2-Methylidenebutanedioic Acid Dipropyl Ester; Propyl Itaconate; 1,4-Dipropyl 2-Methylidenebutanedioate
EINECS	Contact for details

Quality Control

Our Dipropyl 2-Methylidenebutanedioate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets precise customer specifications and industry standards. A Certificate of Analysis (COA) detailing all test results is provided with every shipment.

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 heat sources.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.440 - 1.450
Density (20°C)	1.02 - 1.06 g/mL

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