Description

Tetraiodo-2-Sulfobenzoic Anhydride is a highly functionalized, multi-halogenated anhydride derivative of benzoic acid. This compound matters as a versatile and reactive synthetic intermediate, prized for introducing both sulfonic acid and multiple iodine functionalities into target molecules. It is primarily needed by research chemists and process development teams in the pharmaceutical and advanced materials sectors for creating specialized monomers, ligands, and active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: Used in the synthesis of novel iodinated contrast agents for medical imaging (X-ray and CT scans).
• Polymer Chemistry: Serves as a key monomer or cross-linking agent for producing specialty polymers with unique solubility or thermal properties.
• Organic Synthesis: Acts as a precursor for generating highly reactive sulfonyl halides or as a scaffold for constructing complex, polyfunctional aromatic compounds.
• Material Science: Employed in the development of advanced organic electronic materials and photoactive compounds.
• Chemical Research: Utilized as a reagent in method development and discovery chemistry for introducing heavy atoms or sulfonate groups.

Basic Information

Product Name	Tetraiodo-2-Sulfobenzoic Anhydride
CAS No.	1745-83-1
Molecular Formula	C7H2I4O4S
Molecular Weight	759.70 g/mol
Synonyms	2-Sulfotetraiodobenzoic Anhydride; Benzoic acid, 2-sulfo-, tetraiodo-, anhydride; Tetraiodosulfobenzoic Anhydride; 3,4,5,6-Tetraiodo-2-sulfobenzoic-1-carboxylic Anhydride; 1,3-Dioxo-1,3-dihydro-2-benzofuran-5-sulfonic Acid, Tetraiodo Derivative; TISBA; Tetraiodosulfophthalic Anhydride (related structure)
EINECS	Contact for details

Quality Control

Our Tetraiodo-2-Sulfobenzoic Anhydride is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy, to ensure it meets exacting standards for research and development use. A comprehensive Certificate of Analysis (COA) detailing purity, assay, 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 a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	Off-white to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.5%

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