Description

5,5'-Thiobis[2-Phenyl-1H-Isoindole-1,3(2H)-Dione] is a high-purity organic compound with the CAS number 58974-89-3, functioning as a specialized chemical intermediate. It matters for its role in synthesizing advanced materials and fine chemicals, offering a unique sulfur-bridged bis(phthalimide) structure that imparts specific thermal and chemical properties. This product is essential for R&D chemists and manufacturers in the polymer, pharmaceutical, and specialty chemical industries seeking to develop novel compounds with enhanced performance characteristics.

Application

• Polymer Chemistry: As a monomer or cross-linking agent in the synthesis of high-performance polyimides and other specialty polymers.
• Pharmaceutical Intermediates: Serves as a key building block for the development of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Material Science: Used in the research and production of advanced materials, including liquid crystals and organic semiconductors.
• Dye and Pigment Synthesis: Acts as a precursor for creating novel organic pigments and colorants with specific light-fastness properties.
• Agrochemicals: Employed in the synthesis of novel crop protection agents and plant growth regulators.
• Research & Development: A valuable tool for academic and industrial R&D focused on heterocyclic and sulfur-containing compound libraries.

Basic Information

Product Name	5,5'-Thiobis[2-Phenyl-1H-Isoindole-1,3(2H)-Dione]
CAS No.	58974-89-3
Molecular Formula	C28H16N2O4S
Molecular Weight	476.50 g/mol
Synonyms	5,5'-Thiobis(2-phenylisoindoline-1,3-dione); Bis(N-phenyl-1,3-dioxoisoindolin-5-yl) Sulfide; N,N'-(Thiodi-1,3-dioxoisoindole-5,5-diyl)bis(phenylamine); 2,2'-(Thiobis(1,3-dioxoisoindoline-5,5-diyl))dianiline; Thiobis(N-phenylphthalimide); Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our 5,5'-Thiobis[2-Phenyl-1H-Isoindole-1,3(2H)-Dione] is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, ensuring reliability for your critical synthesis processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
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.