Description

5,5'-Oxybis[2-Phenyl-1H-Isoindole-1,3(2H)-Dione] is a high-purity organic compound belonging to the class of bis(phthalimide) derivatives, characterized by its central ether linkage connecting two phenyl-substituted isoindole-1,3-dione units. This compound is valued for its role as a versatile chemical intermediate and building block in advanced organic synthesis, offering a rigid, symmetrical structure. It is primarily sought by research and development laboratories, pharmaceutical companies, and specialty chemical manufacturers for applications in material science, polymer chemistry, and the development of novel active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of complex molecules for drug discovery and development, particularly for compounds requiring a rigid, aromatic linker.
• Polymer Chemistry: Used as a monomer or cross-linking agent in the production of high-performance polyimides, polyamides, and other specialty polymers with enhanced thermal and mechanical properties.
• Material Science Research: Acts as a building block for creating novel organic frameworks, liquid crystals, or electronic materials due to its planar, conjugated structure.
• Agrochemical Synthesis: Employed in the research and development of advanced crop protection agents and herbicides.
• Dye and Pigment Intermediate: Utilized in the synthesis of specialized colorants and optical brighteners.
• Academic and Industrial R&D: A valuable reagent for methodological studies in organic chemistry and catalysis.

Basic Information

Product Name	5,5'-Oxybis[2-Phenyl-1H-Isoindole-1,3(2H)-Dione]
CAS No.	33734-37-1
Molecular Formula	C28H16N2O5
Molecular Weight	460.44 g/mol
Synonyms	5,5'-Oxybis(2-phenylisoindoline-1,3-dione); Bis(2-phenyl-1,3-dioxoisoindolin-5-yl) ether; 1,1'-[Oxybis(5,1-phthaloyl)]bis[2-phenylisoindoline]; 2,2'-Diphenyl-5,5'-oxybis(isoindole-1,3-dione); N,N'-Diphenyl-5,5'-oxybis(phthalimide); 5,5'-Oxybis(N-phenylphthalimide); Bis(N-phenyl-5-phthalimide) ether
EINECS	Contact for details

Quality Control

Our 5,5'-Oxybis[2-Phenyl-1H-Isoindole-1,3(2H)-Dione] is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with key parameters including assay (HPLC), related substances, and residual solvents. Our quality commitment aligns with cGMP principles for pharmaceutical intermediates, ensuring reliable supply and traceability for critical R&D and production applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases. For long-term storage, consider an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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