Description

Neopentylglycol Propoxylate Diacrylate is a specialized difunctional acrylate monomer, a key building block in advanced polymer synthesis. This compound is valued for its ability to impart excellent chemical resistance, low viscosity, and enhanced flexibility to cured polymer networks. It is essential for formulators and manufacturers in the coatings, adhesives, and photopolymer industries seeking to develop high-performance, durable end products.

Application

• UV-Curable Coatings and Inks: A primary reactive diluent and crosslinker for formulations requiring fast cure speeds, high gloss, and superior weatherability.
• Adhesives and Sealants: Used to enhance the flexibility, adhesion, and chemical resistance of acrylic-based pressure-sensitive and structural adhesives.
• Photopolymer Resins: A critical component in resins for 3D printing (SLA/DLP), offering low shrinkage and high resolution in printed parts.
• Radiation-Curable Overprint Varnishes: Provides a hard, scratch-resistant, and glossy protective layer for packaging and printed materials.
• Fiber Optic Coatings: Contributes to the protective secondary coating layer, ensuring durability and signal integrity.
• Electronics Encapsulation: Used in potting compounds and conformal coatings to protect electronic assemblies from moisture and chemicals.

Basic Information

Product Name	Neopentylglycol Propoxylate Diacrylate
CAS No.	82643-33-2
Molecular Formula	C17H28O6
Molecular Weight	328.40 g/mol
Synonyms	NPG(PO)2DA; 2,2-Dimethyl-1,3-propanediol propoxylate diacrylate; Neopentyl glycol propoxylate (2) diacrylate; Bis(2-acryloyloxypropyl) 2,2-dimethylpropane-1,3-diyl ether; Acrylic acid, oxydi-2,1-ethanediyl 2,2-dimethyl-1,3-propanediyl ester; Propoxylated neopentyl glycol diacrylate; SR 9003 (Sartomer trade name)
EINECS	Contact for details

Quality Control

Every batch of Neopentylglycol Propoxylate Diacrylate is manufactured and tested under a strict quality management system. We ensure compliance with relevant industry standards and specifications through rigorous in-process and final release testing, including assay, impurity profiling, and physical property verification. A Certificate of Analysis (COA) detailing purity, inhibitor content, and other critical parameters is provided with each shipment to guarantee traceability and consistency for your production needs.

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 light-sensitive and easily oxidized; it is recommended to store under an inert atmosphere (e.g., nitrogen) for long-term stability and to minimize premature polymerization. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 97.0%
Color (APHA)	≤ 50
Acid Value	≤ 0.5 mg KOH/g
Water Content (KF)	≤ 0.1%
Inhibitor (MEHQ)	100 - 200 ppm
Viscosity @ 25°C	15 - 25 mPa·s
Specific Gravity @ 25°C	1.05 - 1.10

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