Description

2,5-Bis(Oxiran-2-Yl)Tetrahydro-2H-Pyran is a specialized epoxy-functional heterocyclic compound, serving as a high-performance reactive diluent and crosslinking agent. Its unique bicyclic structure with dual epoxide groups provides enhanced thermal stability and mechanical properties to cured polymer networks. This chemical is essential for formulators and manufacturers in the advanced composites, electronics, and specialty coatings industries seeking to improve product performance.

Application

• Advanced Composite Materials: As a reactive diluent and crosslinker in epoxy resin systems for aerospace, automotive, and wind energy components.
• Electronic Encapsulation & Potting: Used in formulations for protecting sensitive electronic components due to its low shrinkage and good dielectric properties upon curing.
• High-Performance Coatings: A key monomer in industrial, marine, and corrosion-resistant coating formulations requiring chemical and thermal endurance.
• Adhesives & Sealants: Imparts toughness and adhesion strength in structural epoxy adhesives for demanding bonding applications.
• Fiber-Reinforced Polymers (FRP): Enhances the matrix properties in fiberglass and carbon fiber composites.
• 3D Printing Resins: A component in photopolymer or thermally-cured resin systems for additive manufacturing.
• Chemical Synthesis: Serves as a versatile building block (bis-epoxide) for synthesizing more complex polymers and dendrimers.

Basic Information

Product Name	2,5-Bis(Oxiran-2-Yl)Tetrahydro-2H-Pyran
CAS No.	39079-58-8
Molecular Formula	C9H14O3
Molecular Weight	170.21 g/mol
Synonyms	2,5-Bis(2,3-epoxypropyl)tetrahydro-2H-pyran; 2,5-Bis(glycidyloxy)tetrahydropyran; 2,5-Diglycidyloxytetrahydro-2H-pyran; 2,5-Bis(oxiranylmethyl)tetrahydro-2H-pyran; 1,4-Epoxy-1,4-bis(2,3-epoxypropoxy)cyclohexane; Pyran-based bis-epoxide; DGE-THP; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our production of 2,5-Bis(Oxiran-2-Yl)Tetrahydro-2H-Pyran adheres to strict quality management protocols. Every batch is analyzed to ensure consistent purity, epoxide content, and viscosity. Certificates of Analysis (COA) detailing key specifications such as assay, water content, and color are provided and available upon request to support your quality assurance and regulatory needs.

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). Keep away from heat, sparks, and open flame. Containers should be kept tightly sealed when not in use to prevent moisture absorption and maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Epoxide Equivalent Weight (EEW)	85 - 90 g/eq
Viscosity (25°C)	Contact for details
Water Content (KF)	≤ 0.1%
Color (Gardner)	≤ 2

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