Description

4,4'-Bis(Oxiran-2-Ylmethyl)-1,1'-Biphenyl is a high-purity biphenyl-based diepoxide monomer. This compound is a critical building block in advanced polymer chemistry, valued for its ability to introduce cross-linking sites and enhance thermal and mechanical properties in cured materials. It is primarily utilized by manufacturers in the electronics, aerospace, and high-performance composite industries seeking to develop specialized epoxy resins and adhesives.

Application

• Epoxy Resin Formulation: A key monomer for synthesizing high-performance, heat-resistant epoxy resins.
• Electronic Encapsulants & Underfills: Used in formulations for protecting sensitive semiconductor components due to its excellent adhesion and stability.
• Advanced Composite Materials: Serves as a cross-linking agent in fiber-reinforced plastics for aerospace and automotive applications.
• Specialty Adhesives: Imparts superior chemical resistance and strength in structural adhesive systems.
• Coating Systems: Employed in industrial and protective coatings requiring durability and corrosion resistance.
• Polymer Modification: Used as a reactive modifier to enhance the properties of other polymer matrices.

Basic Information

Product Name	4,4'-Bis(Oxiran-2-Ylmethyl)-1,1'-Biphenyl
CAS No.	81591-83-5
Molecular Formula	C20H20O2
Molecular Weight	292.37 g/mol
Synonyms	1,1'-Biphenyl, 4,4'-bis(oxiran-2-ylmethyl)-; 4,4'-Bis(glycidyloxy)biphenyl; Biphenyl diglycidyl ether; 4,4'-Biphenyldiyldimethanol diglycidyl ether; 4,4'-Diglycidyloxybiphenyl; BPDGE; 4,4'-Bis(2,3-epoxypropoxy)biphenyl; 4,4'-Bis(glycidyl)biphenyl
EINECS	Contact for details

Quality Control

Our 4,4'-Bis(Oxiran-2-Ylmethyl)-1,1'-Biphenyl is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including assay and impurity profile determination by HPLC, to ensure high purity and batch-to-batch consistency. Certificates of Analysis (COA) documenting full specifications are available upon request.

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 material is hygroscopic (moisture-sensitive); keep the container tightly sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Epoxide Equivalent Weight (EEW)	146 - 148 g/eq
Melting Point	105 - 110 °C
Loss on Drying	≤ 0.5%

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