Description

2,6-Diiodosulfanilic Acid is a specialized aromatic compound featuring both sulfonic acid and iodine substituents, making it a valuable intermediate for advanced chemical synthesis. Its primary commercial value lies in its role as a key building block for the production of dyes, pigments, and functional materials requiring high halogen content. This product is essential for manufacturers and R&D laboratories in the fine chemical, pharmaceutical, and agrochemical sectors seeking to introduce iodine atoms into complex molecular architectures. We supply high-purity grades to ensure consistent performance and yield in sensitive applications.

Application

• Dye and Pigment Intermediate: A crucial precursor for synthesizing iodine-containing azo dyes and specialty pigments.
• Pharmaceutical Synthesis: Serves as a building block for active pharmaceutical ingredients (APIs) and contrast agents.
• Agrochemical Research: Used in the development of novel herbicides and fungicides.
• Material Science: Employed in the creation of functional polymers and advanced organic materials.
• Chemical Research: A versatile reagent for organic synthesis and catalysis studies in academic and industrial R&D.
• Analytical Chemistry: Can be used as a standard or reagent in specific analytical methods.

Basic Information

Product Name	2,6-Diiodosulfanilic Acid
CAS No.	3568-44-3
Molecular Formula	C6H5I2NO3S
Molecular Weight	448.98 g/mol
Synonyms	2,6-Diiodo-4-aminobenzenesulfonic acid; 4-Amino-2,6-diiodobenzenesulfonic acid; Benzenesulfonic acid, 4-amino-2,6-diiodo-; Sulfanilic acid, 2,6-diiodo-; 2,6-Diiodoaniline-4-sulfonic acid
EINECS	Contact for details

Quality Control

Our 2,6-Diiodosulfanilic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with key parameters including assay, impurity profile, and physical characteristics. Our quality commitment ensures the material meets the stringent requirements for research and industrial synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and strong bases. Due to its aromatic amine and acid nature, it is recommended to handle and store with appropriate precautions to avoid contamination.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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