Description

1,1'-Sulfonyldiimidazole is a versatile and highly reactive sulfonylating agent widely used in organic synthesis. Its primary value lies in its ability to efficiently transfer the sulfonyl group to nucleophiles, making it a critical reagent for constructing sulfonamides, sulfonate esters, and other sulfur-containing compounds. This compound is particularly essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries who require high-purity intermediates for advanced synthesis.

Application

• Pharmaceutical Intermediate Synthesis: Key reagent for the preparation of sulfonamide-based drug candidates, including protease inhibitors and antibacterial agents.
• Agrochemical Production: Used in the synthesis of novel herbicides and fungicides that incorporate sulfonyl functional groups for enhanced activity.
• Peptide Chemistry: Employed as a coupling agent or protecting group reagent in the synthesis of complex peptides and modified amino acids.
• Polymer Science: Serves as a monomer or cross-linking agent in the development of specialty polymers with sulfone linkages.
• Material Science Research: Utilized in surface modification and the creation of advanced organic materials with specific electronic or structural properties.
• Chemical Biology Probes: Acts as a tool compound for labeling proteins or studying enzyme mechanisms involving sulfonation.

Basic Information

Product Name	1,1'-Sulfonyldiimidazole
CAS No.	7189-69-7
Molecular Formula	C6H6N4O2S
Molecular Weight	198.20 g/mol
Synonyms	Sulfonyldiimidazole; Diimidazol-1-yl sulfone; 1,1'-Sulfonylbis(1H-imidazole); Imidazole-1-sulfonyl imidazolide; Sulfonyl diimidazole; Bis(imidazol-1-yl)sulfone; SDI
EINECS	Contact for details

Quality Control

Our 1,1'-Sulfonyldiimidazole is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and purity, and is supplied with a detailed Certificate of Analysis (COA). We adhere to relevant industry standards and can support development projects requiring specific analytical profiles or custom purity grades.

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 nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture. For long-term storage, consider using desiccants.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	158 - 162 °C
Loss on Drying	≤ 1.0%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 2.0%

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