Description

o-Benzenedisulfonimide is a specialized organic sulfonamide compound with the CAS registry number 4482-01-3. This versatile chemical intermediate is valued for its unique disulfonimide functional group, which imparts strong acidity and reactivity, making it a critical building block in advanced synthesis. It is primarily sought after by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for developing novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those requiring a sulfonamide or acidic moiety.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and plant growth regulators.
• Catalyst & Ligand Precursor: Serves as a starting material for creating specialized organocatalysts or metal-complexing ligands.
• Polymer Modification: Employed to introduce sulfonimide groups into polymer chains, altering material properties like solubility or ionic conductivity.
• Organic Synthesis Reagent: Acts as a strong acid catalyst or a protecting group in complex multi-step organic reactions.
• Dye & Pigment Manufacturing: Utilized in the production of specialized sulfonated colorants and intermediates.

Basic Information

Product Name	o-Benzenedisulfonimide
CAS No.	4482-01-3
Molecular Formula	C₆H₆N₂O₄S₂
Molecular Weight	234.25 g/mol
Synonyms	1,2-Benzenedisulfonimide; Benzene-1,2-disulfonimide; o-Phenylenedisulfonimide; 1,2-Phenylenedisulfonic Acid Imide; 1,2-Benzenedisulfonic Acid Imide; NSC 403764; 2-Sulfamoylbenzenesulfonamide
EINECS	Contact for details

Quality Control

Our o-Benzenedisulfonimide is manufactured under strict quality management protocols. Every 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 detailed Certificate of Analysis (COA) is provided with each shipment to guarantee traceability and consistent quality.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed when not in use to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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