Description

1H-Imidazole-2-Sulfonic Acid is a versatile and highly functionalized heterocyclic building block, serving as a key intermediate in advanced organic synthesis. Its sulfonic acid group imparts strong acidity and excellent water solubility, making it valuable for creating tailored molecules with specific properties. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new active ingredients or functional materials.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of novel drug candidates, particularly those targeting enzymes or receptors where the imidazole-sulfonate moiety can enhance binding or solubility.
• Agrochemical Synthesis: Used in the development of modern fungicides, herbicides, and plant growth regulators, leveraging its heterocyclic structure for biological activity.
• Ligand and Catalyst Preparation: Serves as a starting material for creating specialized ligands in coordination chemistry and catalysts for various organic transformations.
• Polymer Modification: Employed to introduce ionic or polar functional groups into polymers, enhancing properties like hydrophilicity, dyeability, or conductivity.
• Bioconjugation and Proteomics: Its reactive sites make it suitable for designing cross-linking agents or probes used in biochemical research and diagnostic applications.
• Corrosion Inhibitor Formulation: Acts as a component in specialty formulations designed to protect metal surfaces in industrial processes.

Basic Information

Product Name	1H-Imidazole-2-Sulfonic Acid
CAS No.	53744-47-1
Molecular Formula	C3H4N2O3S
Molecular Weight	148.14 g/mol
Synonyms	2-Imidazolesulfonic Acid; Imidazole-2-sulfonic Acid; 1H-Imidazole-2-sulfonic Acid; 2-Sulfoimidazole; Imidazol-2-ylsulfonic Acid; 2-Imidazole Sulfonic Acid; 1H-Imidazol-2-ylsulfonic Acid; 2-Imidazolesulphonic Acid
EINECS	Contact for details

Quality Control

Our 1H-Imidazole-2-Sulfonic Acid is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A Certificate of Analysis (COA) detailing specific results for purity, residual solvents, and other critical parameters is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent degradation. Keep away from strong bases and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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