Description

2,3,5,6-Tetraiodoterephthalic Acid is a highly functionalized aromatic compound characterized by its four iodine substituents. This unique structure makes it a valuable intermediate for synthesizing advanced materials and specialty chemicals. It is primarily sought by research and development teams in the pharmaceutical and advanced materials sectors. Its utility stems from its role as a building block for creating complex molecules with specific electronic or structural properties.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for X-ray contrast media or thyroid-related drugs.
• Advanced Material Synthesis: Used in the development of organic semiconductors, liquid crystals, and metal-organic frameworks (MOFs) due to its heavy atom effect and rigid, functionalized backbone.
• Chemical Research & Development: Acts as a versatile building block in organic synthesis for creating complex, iodinated aromatic structures in academic and industrial R&D settings.
• Ligand and Catalyst Preparation: Employed in the preparation of specialized ligands for catalysis or as a starting material for catalysts used in cross-coupling reactions.
• Dye and Pigment Intermediate: Utilized in the synthesis of specialized dyes and pigments where the iodine atoms contribute to color properties and stability.

Basic Information

Product Name	2,3,5,6-Tetraiodoterephthalic Acid
CAS No.	7606-84-0
Molecular Formula	C8H2I4O4
Molecular Weight	747.62 g/mol
Synonyms	Terephthalic Acid, 2,3,5,6-Tetraiodo-; 2,3,5,6-Tetraiodobenzene-1,4-dicarboxylic Acid; Tetraiodoterephthalic Acid; 1,4-Benzenedicarboxylic acid, 2,3,5,6-tetraiodo-; TIA; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our 2,3,5,6-Tetraiodoterephthalic Acid is manufactured under controlled conditions to ensure batch-to-batch consistency and high purity. Quality is verified through a suite of analytical techniques including HPLC, NMR, and elemental analysis. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment. We support compliance with relevant research and development standards.

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 (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Loss on Drying	≤ 2.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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