Description

4-Iodophthalic Acid is a high-purity, halogenated aromatic dicarboxylic acid derivative, serving as a critical synthetic intermediate in advanced organic chemistry. Its unique structure, featuring both a reactive iodine atom and two carboxylic acid groups, makes it a versatile building block for constructing complex molecules with tailored properties. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries, particularly for developing active pharmaceutical ingredients (APIs), liquid crystal materials, and specialty polymers.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, especially for iodinated contrast agents and other diagnostic compounds.
• Agrochemical Synthesis: Used in the research and development of advanced herbicides, pesticides, and plant growth regulators.
• Liquid Crystal Materials: Serves as a precursor for iodinated liquid crystal monomers used in display technologies.
• Polymer Chemistry: Acts as a monomer or cross-linking agent for producing specialty polyimides and polyamides with enhanced thermal and chemical resistance.
• Organic Synthesis & Research: A valuable reagent for Suzuki-Miyaura and other palladium-catalyzed cross-coupling reactions to create complex biaryl structures.
• Coordination Chemistry: Used to synthesize metal-organic frameworks (MOFs) and coordination complexes due to its chelating carboxylic acid groups.

Basic Information

Product Name	4-Iodophthalic Acid
CAS No.	6301-60-6
Molecular Formula	C8H5IO4
Molecular Weight	292.03 g/mol
Synonyms	4-Iodobenzene-1,2-dicarboxylic Acid; 1,2-Benzenedicarboxylic acid, 4-iodo-; Iodophthalic Acid; Phthalic Acid, 4-Iodo-; 4-Carboxy-3-iodobenzoic Acid; 3-Iodo-1,2-benzenedicarboxylic Acid
EINECS	228-577-5

Quality Control

Our 4-Iodophthalic Acid is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity, IR for identification, and residual solvent analysis, to ensure it meets the high standards required for research and industrial synthesis. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications.

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). Keep away from heat, sparks, and open flame. The compound is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	245 - 250 °C
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm

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