Description

4,5-Diiodo-Phthalic Acid is a halogenated derivative of phthalic acid, characterized by the presence of two iodine atoms on the aromatic ring. This specific substitution pattern makes it a valuable high-purity intermediate for synthesizing advanced organic compounds, particularly in the pharmaceutical and specialty chemical sectors. It is primarily sought after by R&D chemists and process development teams for creating complex molecules, including active pharmaceutical ingredients (APIs) and functional materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs), especially those requiring halogenated aromatic structures.
• Organic Synthesis Reagent: Used in cross-coupling reactions and as a precursor for generating other functionalized phthalic acid derivatives in research and development.
• Ligand and Complex Precursor: Serves as a starting material for synthesizing specialized ligands used in catalysis and metal-organic frameworks (MOFs).
• Material Science Research: Employed in the development of novel polymers and advanced organic materials with specific electronic or optical properties.
• Agrochemical Intermediate: Potential use in the synthesis of specialized herbicides or plant growth regulators requiring iodinated aromatic components.
• Dye and Pigment Intermediate: Acts as a precursor for creating halogenated dyes and high-performance pigments.

Basic Information

Product Name	4,5-Diiodo-Phthalic Acid
CAS No.	82679-28-5
Molecular Formula	C8H4I2O4
Molecular Weight	417.93 g/mol
Synonyms	4,5-Diiodophthalic Acid; 1,2-Benzenedicarboxylic acid, 4,5-diiodo-; Phthalic Acid, 4,5-Diiodo-; 4,5-DIIODO-1,2-BENZENEDICARBOXYLIC ACID
EINECS	Contact for details

Quality Control

Our 4,5-Diiodo-Phthalic Acid is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for advanced synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm

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