Description

Dimethacrylic Acid is a high-purity, bifunctional methacrylate monomer characterized by its two reactive double bonds. This chemical structure is critical for creating highly cross-linked polymer networks, offering superior hardness, chemical resistance, and thermal stability in the final materials. It is an essential raw material for advanced polymer synthesis across industries such as specialty coatings, dental composites, optical lenses, and high-performance adhesives.

Application

• Cross-linking Agent for Polymers: Used to manufacture high-density, cross-linked polymers for coatings, inks, and composites requiring exceptional durability.
• Dental Restorative Materials: A key monomer in dental resins and composites, contributing to strength, wear resistance, and low shrinkage.
• Optical Lens Production: Employed in the synthesis of transparent, scratch-resistant polymers for ophthalmic lenses and optical components.
• Adhesive & Sealant Formulations: Enhances the cohesive strength and environmental resistance of industrial and structural adhesives.
• UV-Curable Systems: Acts as a reactive diluent and cross-linker in UV-curable coatings, providing fast cure and excellent film properties.
• Specialty Monomer for Acrylics: Serves as a building block for custom acrylic copolymers with tailored performance characteristics.

Basic Information

Product Name	Dimethacrylic Acid
CAS No.	50867-57-7
Molecular Formula	C8H10O4
Molecular Weight	170.16 g/mol
Synonyms	2-Methylenepentanedioic Acid; 2-Methyleneglutaric Acid; Methacryloylacetic Acid; 3-Methacryloylpropionic Acid; Dimethacrylate Monomer; Bifunctional Methacrylate; 2-Methylene-1,5-pentanedioic Acid
EINECS	256-856-5

Quality Control

Our Dimethacrylic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay, impurity profiling, and physical property verification, to ensure it meets the high standards required for industrial and specialty applications. A Certificate of Analysis (COA) detailing purity, identity, and specific test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat sources and incompatible materials such as strong oxidizers and bases. For long-term storage, consider under an inert atmosphere to minimize potential polymerization.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Melting Point	95 - 105 °C
Heavy Metals (as Pb)	≤ 10 ppm

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