Description

Itaconic Anhydride is a versatile, high-purity reactive intermediate derived from itaconic acid. This compound is valued for its ability to introduce polymerizable anhydride functionality, enabling the synthesis of specialty polymers, resins, and fine chemicals with enhanced properties. It is a critical raw material for manufacturers in the polymer, coatings, and pharmaceutical intermediate sectors seeking to develop advanced, sustainable materials.

Application

• Polymer Modification: As a comonomer for the synthesis of specialty polyesters, polyamides, and alkyd resins to improve hardness, adhesion, and thermal stability.
• Cross-linking Agent: Used in coatings, adhesives, and sealants to create durable, chemically resistant networks.
• Pharmaceutical Intermediates: Serves as a key building block in the synthesis of active pharmaceutical ingredients (APIs) and drug delivery systems.
• Biodegradable Polymers: A monomer for producing environmentally friendly, bio-based polymers and plastics.
• Surface Coatings: Imparts improved weatherability and mechanical properties to industrial and automotive coatings.
• Adhesive Formulations: Enhances the performance and curing characteristics of structural and pressure-sensitive adhesives.

Basic Information

Product Name	Itaconic Anhydride
CAS No.	2170-03-8
Molecular Formula	C5H4O3
Molecular Weight	112.08 g/mol
Synonyms	2-Methylenesuccinic Anhydride; Itaconanhydride; 3-Methyl-3-buten-1,2-dioic Anhydride; 2-Methylidenebutanedioic Anhydride; Itaconic Acid Anhydride; Methylenesuccinic Anhydride; 2-Methylenesuccinic Acid Anhydride
EINECS	218-515-5

Quality Control

Our Itaconic Anhydride is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including assay, purity, and impurity profile analysis, to ensure it meets the high standards required for industrial and fine chemical synthesis. Certificates of Analysis (COA) are provided with each shipment to guarantee traceability, consistency, and compliance with your specifications.

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). This product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	67 - 70 °C
Water Content (KF)	≤ 0.5%

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