Description

3-Hydroxy-2,2-Dimethylpropyl 3-Hydroxy-2,2-Dimethylpropionate Diacrylate is a specialized di-functional acrylate monomer, a key building block in advanced polymer synthesis. This compound is valued for its ability to introduce cross-linking sites and enhance the durability, chemical resistance, and mechanical properties of final polymeric materials. It is primarily sought by formulators and manufacturers in the UV-curable coatings, inks, adhesives, and specialty resin industries for high-performance applications.

Application

• UV-Curable Coatings & Inks: Acts as a reactive diluent and cross-linker to improve hardness, scratch resistance, and cure speed for wood, plastic, and metal finishes.
• Photopolymer Resins: A critical component in formulations for 3D printing (SLA/DLP), dental materials, and photoresists, contributing to precise structural integrity.
• Adhesives & Sealants: Enhances bond strength, flexibility, and environmental resistance in acrylic-based structural and pressure-sensitive adhesives.
• Fiber Optic Coatings: Used in coatings that protect optical fibers, providing excellent clarity, low shrinkage, and durability.
• Electronics Encapsulation: Employed in potting compounds and conformal coatings to protect sensitive electronic components.
• Dental Composites: Serves as a matrix resin component, contributing to the material's strength, wear resistance, and biocompatibility.

Basic Information

Product Name	3-Hydroxy-2,2-Dimethylpropyl 3-Hydroxy-2,2-Dimethylpropionate Diacrylate
CAS No.	30145-51-8
Molecular Formula	C16H26O7
Molecular Weight	330.38 g/mol
Synonyms	Neopentyl Glycol Hydroxy Pivalate Diacrylate; NPGHPDA; Bisomer HPDA; 2,2-Dimethyl-3-hydroxypropyl 2,2-dimethyl-3-hydroxypropionate diacrylate; 3-Hydroxy-2,2-dimethylpropyl 3-hydroxy-2,2-dimethylpropanoate diacrylate; Pentaerythritol Diacrylate Monohydroxypivalate; HPDA; Diacrylate of Hydroxypivalic Acid Neopentyl Glycol Ester
EINECS	Contact for details

Quality Control

Our 3-Hydroxy-2,2-Dimethylpropyl 3-Hydroxy-2,2-Dimethylpropionate Diacrylate is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure high purity, consistent performance, and compliance with customer specifications. Comprehensive Certificates of Analysis (COA) detailing assay, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C/59-77°F). This product is light-sensitive (store away from light) and easily oxidized (store under inert atmosphere). Keep away from heat, sparks, and open flame. For long-term storage, consider under an inert gas such as nitrogen.

Specification

Item	Specification
Appearance	Clear, Colorless to Pale Yellow Liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 97.0%
Color (APHA)	≤ 100
Acid Value	≤ 1.0 mg KOH/g
Water Content (KF)	≤ 0.2%
Inhibitor (MEHQ)	100 - 200 ppm

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