Description

3-Hydroxy-2,2-Dimethylpropyl Acrylate is a specialized acrylate monomer featuring a hydroxyl group and a sterically hindered neopentyl structure. This unique molecular architecture is critical for synthesizing advanced polymers with enhanced properties such as improved weatherability, chemical resistance, and lower viscosity. It is an essential raw material for formulators and polymer chemists in the coatings, adhesives, and specialty resins industries seeking to develop high-performance, durable end-products.

Application

• UV-Curable Coatings & Inks: A key monomer for formulating radiation-curable systems, contributing to rapid curing, high crosslink density, and excellent surface hardness for wood, plastic, and metal coatings.
• High-Performance Acrylic Resins: Used to synthesize hydroxyl-functional acrylic polyols for polyurethane coatings, improving flexibility, adhesion, and outdoor durability.
• Adhesives & Sealants: Imparts enhanced tack, cohesion, and resistance to plasticizer migration in pressure-sensitive and structural adhesive formulations.
• Specialty Polymer Modifiers: Serves as a reactive diluent and modifier to reduce viscosity in oligomer systems without compromising final polymer performance.
• Photoresist & Electronic Chemicals: Employed in the production of photopolymerizable compositions for microelectronics and printed circuit boards.
• Fiber Optic Coatings: Used in coatings that protect optical fibers, offering a balance of mechanical protection and low optical signal attenuation.

Basic Information

Product Name	3-Hydroxy-2,2-Dimethylpropyl Acrylate
CAS No.	26424-32-8
Molecular Formula	C8H14O3
Molecular Weight	158.20 g/mol
Synonyms	HDMPA; Neopentyl Glycol Hydroxy Pivalate Acrylate; 2,2-Dimethyl-3-hydroxypropyl acrylate; 3-Hydroxy-2,2-dimethylpropyl propenoate; Acrylic acid, 3-hydroxy-2,2-dimethylpropyl ester; NPG-HPA; (3-Hydroxy-2,2-dimethylpropyl) acrylate
EINECS	Contact for details

Quality Control

Our production of 3-Hydroxy-2,2-Dimethylpropyl Acrylate adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced chromatographic and spectroscopic techniques. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment, ensuring full traceability and compliance with your formulation requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area at temperatures between 15-25°C (59-77°F). Due to its highly volatile and light-sensitive nature, containers must be kept tightly sealed when not in use and away from heat sources and open flames. Keep away from incompatible materials such as strong oxidizers, bases, and polymerization initiators.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0 %
Color (APHA)	≤ 50
Water Content (KF)	≤ 0.2 %
Acidity (as acrylic acid)	≤ 0.5 %
Inhibitor (MEHQ)	100 - 200 ppm

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