Description

5-[4-[2-[4-(1,3-Dioxoisobenzofuran-5-Yl)Oxyphenyl]Propan-2-Yl]Phenoxy] Isobenzofuran-1,3-Dione is a specialized organic compound featuring a unique bis-phthalimide structure, making it a valuable intermediate for advanced material synthesis. This compound is engineered to provide high reactivity and structural integrity for demanding polymerization and cross-linking applications. It is primarily sought by R&D and production teams in the polymer, specialty chemical, and advanced material manufacturing sectors.

Application

• High-Performance Polymer Synthesis: Serves as a key monomer or cross-linking agent for engineering plastics, polyimides, and other thermally stable polymers.
• Epoxy Resin Systems: Used as a curing agent or hardener to enhance the thermal and mechanical properties of advanced epoxy formulations.
• Specialty Adhesives & Coatings: Incorporated into formulations requiring superior chemical resistance, adhesion, and durability.
• Electronic Materials: Utilized in the production of dielectric layers, encapsulants, and other components for the electronics industry.
• Pharmaceutical Intermediates: Acts as a building block in the synthesis of complex active pharmaceutical ingredients (APIs) and other fine chemicals.
• Research & Development: A critical reagent for academic and industrial research focused on novel organic synthesis and material science.

Basic Information

Product Name	5-[4-[2-[4-(1,3-Dioxoisobenzofuran-5-Yl)Oxyphenyl]Propan-2-Yl]Phenoxy] Isobenzofuran-1,3-Dione
CAS No.	74343-20-7
Molecular Formula	C34H22O8
Molecular Weight	558.54 g/mol
Synonyms	Bis[4-(1,3-dioxoisobenzofuran-5-yloxy)phenyl]dimethylmethane; 4,4'-(2,2-Dimethylpropane-1,3-diyl)bis(oxy)diphthalic anhydride; 5,5'-[2,2-Dimethyl-1,3-phenylenebis(oxy)]diisobenzofuran-1,3-dione; Bis(4-phthalimidophenoxy)dimethylmethane; 1,3-Bis[4-(1,3-dioxo-1,3-dihydro-2-benzofuran-5-yloxy)phenyl]-2,2-dimethylpropane; 4,4'-(2,2-Dimethyltrimethylene)dioxydiphthalic anhydride; Diphthalic Anhydride Derivative
EINECS	Contact for details

Quality Control

Our 5-[4-[2-[4-(1,3-Dioxoisobenzofuran-5-Yl)Oxyphenyl]Propan-2-Yl]Phenoxy] Isobenzofuran-1,3-Dione is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and FTIR, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to guarantee compliance with your project requirements.

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, open flames, and incompatible materials such as strong bases and amines.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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