Description

Bismethacrylic Acid 2-Hydroxymethyl-2-Methyl-1,3-Propanediyl Ester is a specialized bifunctional methacrylate monomer, a key building block in advanced polymer synthesis. This compound is valued for its ability to introduce two highly reactive methacrylate groups into a polymer backbone, enabling the creation of cross-linked networks with enhanced mechanical strength, chemical resistance, and thermal stability. It is primarily sought by manufacturers in the coatings, adhesives, dental materials, and optical lens industries for developing high-performance, durable products.

Application

• Cross-linking Agent for Coatings & Inks: Imparts superior hardness, scratch resistance, and durability to UV-curable and thermal-cure industrial, automotive, and protective coatings.
• Dental & Biomedical Polymers: Serves as a critical monomer in dental composites, sealants, and bone cements, contributing to high strength and biocompatibility.
• Optical Lens & Fiber Production: Used in the synthesis of transparent, high-refractive-index polymers for precision optical components and communication fibers.
• Adhesive & Sealant Formulations: Enhances the cohesive strength, adhesion, and environmental resistance of structural and specialty adhesives.
• Photoresists & Electronic Materials: Acts as a key component in photopolymerizable resins for microelectronics and printed circuit board fabrication.
• Modifier for Specialty Elastomers: Used to modify the properties of synthetic rubbers, improving their resistance to oils, fuels, and heat.

Basic Information

Product Name	Bismethacrylic Acid 2-Hydroxymethyl-2-Methyl-1,3-Propanediyl Ester
CAS No.	53151-63-6
Molecular Formula	C15H22O6
Molecular Weight	298.33 g/mol
Synonyms	2,2-Bis(methacryloyloxymethyl)propane; 2,2-Bis(methacryloyloxymethyl)propane-1,3-diol dimethacrylate; 2,2-Bis[(methacryloyloxy)methyl]propane-1,3-diyl dimethacrylate; 2,2-Bis(hydroxymethyl)propane-1,3-diyl bis(2-methylacrylate); 1,3-Propanediol, 2-(hydroxymethyl)-2-methyl-, dimethacrylate; Bifunctional Methacrylate Monomer; Crosslinking Dimethacrylate; TMPTMA (commonly associated, though TMPTMA typically refers to trimethylolpropane trimethacrylate, a related compound)
EINECS	Contact for details

Quality Control

Our production of Bismethacrylic Acid 2-Hydroxymethyl-2-Methyl-1,3-Propanediyl Ester adheres to a stringent quality management system to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques like HPLC and GC to confirm identity, assay, and impurity profiles. Certificates of Analysis (COA) detailing all critical specifications are provided with every shipment. We support compliance with relevant global regulatory frameworks, including REACH.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. This product is light-sensitive (store away from light) and should be handled with appropriate precautions for strong acid/organic solvent compatibility. For long-term storage under inert atmosphere, please contact our technical team for specific recommendations.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Color (APHA)	≤ 50
Acid Value	≤ 1.0 mg KOH/g
Water Content (KF)	≤ 0.1%
Inhibitor (MEHQ)	50 - 150 ppm

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