Description

Neopentyl Glycol Diglycidyl Ether, Brominated is a specialized brominated epoxy resin intermediate. This compound is valued for its ability to impart flame retardancy and enhanced thermal stability to polymer matrices. It is primarily sought after by formulators in the electronics, aerospace, and advanced composite materials industries seeking to meet stringent fire safety regulations without compromising material performance.

Application

• As a reactive flame-retardant additive in epoxy resin systems for printed circuit boards (PCBs) and semiconductor encapsulation.
• Component in the synthesis of flame-retardant coatings and adhesives for automotive and aerospace applications.
• Modifier for vinyl ester and unsaturated polyester resins to improve fire resistance in fiber-reinforced composites.
• Intermediate for producing specialty polymers with low smoke density and reduced toxicity during combustion.
• Used in potting and casting compounds for electrical components requiring UL94 V-0 ratings.
• Formulation ingredient for construction materials, such as fire-resistant panels and insulating foams.

Basic Information

Product Name	Neopentyl Glycol Diglycidyl Ether, Brominated
CAS No.	31452-80-9
Molecular Formula	C11H18Br2O4
Molecular Weight	398.07 g/mol
Synonyms	Brominated Neopentyl Glycol Diglycidyl Ether; 2,2-Bis(bromomethyl)-1,3-propanediol diglycidyl ether; 1,3-Bis(2,3-epoxypropoxy)-2,2-bis(bromomethyl)propane; NPG Diglycidyl Ether, Brominated; Brominated NPG DGE; Flame Retardant Epoxy Diluent; EINECS Not Listed

Quality Control

Our Neopentyl Glycol Diglycidyl Ether, Brominated is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay, bromine content, epoxide equivalent weight (EEW), and viscosity measurements, to ensure consistency and performance. Certificates of Analysis (COA) documenting all critical parameters 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, well-ventilated area away from strong acids and organic solvents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to minimize moisture absorption and maintain product integrity.

Specification

Item	Specification
Appearance	Clear, viscous liquid
Color (Gardner)	≤ 2
Assay (GC)	≥ 98.0%
Bromine Content	38.0 - 42.0 %
Epoxide Equivalent Weight (EEW)	190 - 210 g/eq
Viscosity @ 25°C	500 - 1500 mPa·s
Density @ 25°C	1.60 - 1.75 g/mL
Water Content (KF)	≤ 0.2%

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