Description

3-Hydroxy-2,2-Dimethylpropyl Methacrylate is a specialty methacrylate monomer featuring a pendant hydroxyl group on a neopentyl glycol-derived backbone. This compound matters as a key building block for introducing crosslinkable sites and enhancing adhesion properties in advanced polymer systems. It is primarily needed by formulators and polymer chemists in the coatings, adhesives, and photopolymer resin industries seeking to improve material performance.

Application

• UV-Curable Coatings & Inks: Serves as a reactive diluent and crosslinking agent to enhance cure speed, hardness, and chemical resistance.
• Adhesives & Sealants: Imparts improved adhesion to various substrates, including metals and plastics, in structural and pressure-sensitive adhesive formulations.
• Photopolymer Resins: A critical component in stereolithography (SLA) and other 3D printing resins, contributing to part strength and resolution.
• Dental & Biomedical Materials: Used in the synthesis of biocompatible polymers for dental composites and bone cements.
• Surface Modifiers & Additives: Functionalizes polymers to improve surface properties like wettability, printability, and anti-fog performance.
• Automotive & Industrial Coatings: Enhances the durability, weatherability, and scratch resistance of high-performance coating systems.

Basic Information

Product Name	3-Hydroxy-2,2-Dimethylpropyl Methacrylate
CAS No.	13463-71-3
Molecular Formula	C9H16O3
Molecular Weight	172.22 g/mol
Synonyms	HDMPM; 2,2-Dimethyl-3-hydroxypropyl methacrylate; 3-Hydroxy-2,2-dimethylpropyl 2-methylpropenoate; Neopentyl Glycol Hydroxy Pivalate Methacrylate; Methacrylic Acid 3-Hydroxy-2,2-dimethylpropyl Ester; 2-Methyl-2-(hydroxymethyl)propyl methacrylate; β-Hydroxy Neopentyl Glycol Monomethacrylate; Pentaerythritol Monoacrylate (related structure)
EINECS	236-658-8

Quality Control

Our 3-Hydroxy-2,2-Dimethylpropyl Methacrylate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including gas chromatography (GC) and titration, to ensure high purity and consistency. Certificates of Analysis (COA) detailing assay, identity, and impurity profiles are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at temperatures between 15-25°C (59-77°F). This product is easily oxidized and should be stored under an inert atmosphere (e.g., nitrogen) for long-term stability. Keep away from heat sources and incompatible materials such as strong oxidizers and bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Acid Value	≤ 1.0 mg KOH/g
Color (APHA)	≤ 50
Inhibitor (MEHQ)	50 - 150 ppm

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