Description

Neopentyl Glycol Diglycidyl Ether is a specialized, low-viscosity diepoxide monomer valued for its excellent chemical resistance and weatherability. This compound is a critical building block in the formulation of high-performance, durable coatings and advanced composite materials. It is essential for manufacturers in the coatings, adhesives, sealants, and elastomers (CASE) industries, as well as producers of fiber-reinforced plastics and electronic encapsulants.

Application

• Reactive Diluent for Epoxy Resins: Significantly reduces system viscosity for improved processability in casting, potting, and laminating applications.
• High-Performance Coatings: Imparts superior chemical resistance, adhesion, and flexibility in industrial, marine, and protective coatings.
• Composite Materials: Used as a matrix resin component in fiber-reinforced plastics (FRP) for automotive, aerospace, and wind energy sectors.
• Electrical & Electronic Encapsulation: Provides excellent electrical insulation properties and thermal stability for potting and sealing electronic components.
• Adhesives and Sealants: Enhances durability and environmental resistance in structural and specialty adhesive formulations.
• Chemical Intermediate: Serves as a versatile building block for the synthesis of more complex specialty chemicals and polymers.

Basic Information

Product Name	Neopentyl Glycol Diglycidyl Ether
CAS No.	17557-23-2
Molecular Formula	C11H20O4
Molecular Weight	216.27 g/mol
Synonyms	NPG Diglycidyl Ether; 2,2-Dimethyl-1,3-propanediol diglycidyl ether; 1,3-Bis(2,3-epoxypropoxy)-2,2-dimethylpropane; Neopentylglycol diglycidyl ether; NPGDGE; Glycidyl ether of neopentyl glycol; (Oxiran-2-ylmethoxy)-2,2-dimethylpropane-1,3-diyl bis(oxiran-2-ylmethyl) ether
EINECS	241-536-0

Quality Control

Our Neopentyl Glycol Diglycidyl Ether is manufactured under a stringent quality management system. Every batch undergoes rigorous analytical testing to ensure consistency and compliance with agreed specifications. A comprehensive Certificate of Analysis (COA) detailing purity, epoxide content, viscosity, and other critical parameters is provided with each shipment to guarantee traceability and performance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is easily oxidized; for long-term storage, maintaining an inert atmosphere (e.g., under nitrogen) is recommended to preserve quality. Keep away from heat, sparks, open flames, and strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms
Assay (Epoxide Content)	≥ 98.0 %
Purity (GC)	≥ 97.0 %
Viscosity (25°C)	10 - 30 mPa·s
Color (APHA)	≤ 50
Density (20°C)	1.05 - 1.10 g/cm³
Water Content	≤ 0.1 %

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