Description

3,3-Bis(4-Hydroxyphenyl)-4,5,6,7-Tetraiodo-1(3H)-Isobenzofuranone is a high-purity, iodinated organic compound of significant interest in advanced material synthesis and pharmaceutical research. Its unique molecular architecture, featuring multiple iodine atoms and phenolic groups, makes it a valuable building block for creating specialized polymers and functional additives. This chemical is primarily sought by R&D chemists and process engineers in the pharmaceutical intermediates, polymer chemistry, and specialty chemical sectors for developing novel compounds with specific optical or material properties.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those requiring iodinated aromatic structures.
• Polymer Additive & Modifier: Used to incorporate iodine and phenolic functionality into polymer chains, potentially enhancing flame retardancy, UV stability, or refractive index.
• Advanced Material Synthesis: Acts as a monomer or cross-linking agent in the development of specialty resins, coatings, and high-performance engineering plastics.
• Research & Development: A crucial reagent in academic and industrial R&D for exploring new chemical entities, catalytic processes, and material science applications.
• Dye & Pigment Intermediate: Can be utilized in the synthesis of complex iodinated dyes and pigments for specialized imaging or coloring applications.
• Liquid Crystal & OLED Material Research: Investigated as a potential component in the synthesis of materials for electronic displays and optoelectronic devices due to its rigid, multi-substituted structure.

Basic Information

Product Name	3,3-Bis(4-Hydroxyphenyl)-4,5,6,7-Tetraiodo-1(3H)-Isobenzofuranone
CAS No.	27458-03-3
Molecular Formula	C20H8I4O4
Molecular Weight	857.89 g/mol
Synonyms	4,5,6,7-Tetraiodo-3,3-bis(4-hydroxyphenyl)phthalide; 3,3-Bis(4-hydroxyphenyl)-4,5,6,7-tetraiodophthalide; Tetraiodophenolphthalein; NSC 83688; Phthalide, 4,5,6,7-tetraiodo-3,3-bis(p-hydroxyphenyl)-; 1(3H)-Isobenzofuranone, 3,3-bis(4-hydroxyphenyl)-4,5,6,7-tetraiodo-
EINECS	Contact for details

Quality Control

Every batch of 3,3-Bis(4-Hydroxyphenyl)-4,5,6,7-Tetraiodo-1(3H)-Isobenzofuranone is manufactured and tested under a strict quality management system. We provide comprehensive Certificates of Analysis (COA) that detail purity, identity, and impurity profiles to ensure the material meets your specific research or production requirements. Our quality protocols are designed to support cGMP and ISO standards for traceability and consistency.

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 product is light-sensitive (store away from light). Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 1.0%; Total impurities ≤ 3.0%

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