Description

Trimethylolpropane-Diglycidyl Ether is a specialized, low-viscosity epoxy functional monomer derived from trimethylolpropane. This compound matters for its ability to introduce cross-linking sites and enhance the chemical resistance, adhesion, and thermal stability of polymer networks. It is primarily needed by formulators in the coatings, adhesives, composites, and electronics industries seeking to modify and improve the performance of epoxy resin systems.

Application

• As a reactive diluent and cross-linking agent in high-performance epoxy resin formulations for coatings and composites.
• Modification of epoxy systems to improve flexibility, impact resistance, and adhesion to various substrates.
• Key intermediate in the synthesis of specialty polymers and oligomers for advanced material science applications.
• Component in adhesives and sealants requiring enhanced chemical and environmental resistance.
• Used in the production of radiation-curable resins for UV-curing inks, coatings, and 3D printing materials.
• Potential use in electronic encapsulants and potting compounds for improved dielectric properties and durability.

Basic Information

Product Name	Trimethylolpropane-Diglycidyl Ether
CAS No.	18425-64-4
Molecular Formula	C15H26O6
Molecular Weight	302.37 g/mol
Synonyms	1,1,1-Trimethylolpropane Diglycidyl Ether; TMPDGE; Trimethylolpropane Diglycidyl Ether; 2,2-Bis[(oxiran-2-ylmethoxy)methyl]butyl oxirane; Glycidyl Ether of Trimethylolpropane; TMP-2GE; 2,2-Bis[(glycidyloxy)methyl]butyl glycidyl ether; Epoxy Monomer TMPDGE
EINECS	242-313-7

Quality Control

Our Trimethylolpropane-Diglycidyl Ether is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent purity and performance, meeting the specifications required for industrial and advanced material applications. A comprehensive Certificate of Analysis (COA) detailing assay, epoxide content, viscosity, and impurity profiles is provided with every shipment.

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, consider maintaining under an inert atmosphere (e.g., nitrogen) to preserve quality and prevent degradation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC or Titration)	≥ 95.0%
Epoxide Equivalent Weight (EEW)	155 - 165 g/eq
Viscosity @ 25°C	100 - 300 mPa·s
Color (Gardner)	≤ 2
Density @ 20°C	1.10 - 1.15 g/cm³
Water Content	≤ 0.5%

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