Description

1,1′-Sulphonylbis-1H-imidazole (CAS No. 7189-69-7) is a high-purity sulfonyl-bridged imidazole derivative with the molecular formula C₆H₆N₄O₂S. This specialized heterocyclic compound is widely utilized in organic synthesis, pharmaceutical research, and material science due to its unique reactivity as a sulfonylation reagent. The product is supplied as a white to off-white crystalline powder with ≥98% purity (HPLC), ensuring consistency for sensitive applications. Its IUPAC name, 1-imidazol-1-ylsulfonylimidazole, reflects its symmetrical bis-imidazole structure connected by a sulfonyl linker. Suitable for use in anhydrous reactions, this compound is packaged under inert gas to maintain stability and is available in research quantities (1g, 5g, 25g) with optional custom bulk packaging. Store in a cool, dry place at 2-8°C protected from moisture.

Properties

• CAS Number: 7189-69-7
• Complexity: 251
• IUPAC Name: 1-imidazol-1-ylsulfonylimidazole
• InChI: InChI=1S/C6H6N4O2S/c11-13(12,9-3-1-7-5-9)10-4-2-8-6-10/h1-6H
• InChI Key: ZLKNPIVTWNMMMH-UHFFFAOYSA-N
• Exact Mass: 198.02114662
• Molecular Formula: C6H6N4O2S
• Molecular Weight: 198.21
• SMILES: C1=CN(C=N1)S(=O)(=O)N2C=CN=C2
• Topological: 78.2
• Monoisotopic Mass: 198.02114662
• Synonyms: 1,1′-Sulfonyldiimidazole, 7189-69-7, 1,1′-Sulphonylbis-1H-imidazole, EINECS 230-554-0, DTXSID30222152, DTXCID30144643, 230-554-0, 1-imidazol-1-ylsulfonylimidazole, 1H-Imidazole, 1,1′-sulfonylbis-, N,N’-Sulfuryldiimidazole, MFCD00015893, 1-(1H-imidazole-1-sulfonyl)-1H-imidazole, N,N’-Sulfonyldiimidazole(SDI), N,N’-Sulfonyldiimidazole (SDI), 1,1′ sulfonyldiimidazole, N,N’-sulfuryl-diimidazole, 1,1′-sulphonyldiimidazole, 1,1′-Sulfonyldiimidazole, (imidazolylsulfonyl)imidazole, 1,1 inverted exclamation marka-Sulfonyldiimidazole, SCHEMBL1157477, SCHEMBL6300741, 1,1′-Sulfonyldiimidazole, 98%, AB2987, AKOS009157421, CS-W010544, AC-20106, AC-30813, AS-11838, SY017299, DB-018702, NS00044798, S0803, ST51038230, EN300-60533, 1-(1H-Imidazol-1-ylsulfonyl)-1H-imidazole #, 1,1 inverted exclamation mark -Sulfonyldiimidazole, F8881-6143, Z951209018, InChI=1/C6H6N4O2S/c11-13(12,9-3-1-7-5-9)10-4-2-8-6-10/h1-6

Application

1,1′-Sulphonylbis-1H-imidazole serves as a versatile sulfonyl transfer agent in nucleoside chemistry and peptide coupling reactions. Researchers employ it as a selective activating reagent for hydroxyl groups in carbohydrate chemistry. The compound finds particular utility in synthesizing sulfonamide derivatives and modifying heterocyclic scaffolds for drug discovery. Its bifunctional structure enables efficient crosslinking in polymer chemistry applications.

Safety and Hazards

GHS Hazard Statements

• H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (97.6%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

• Skin Irrit. 2 (100%)
• Eye Irrit. 2 (100%)
• STOT SE 3 (97.6%)

If you are interested or have any questions, please contact us at support@atomfair.com

Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.