Description

Methanedisulfonyldifluoride is a highly reactive fluorinating and sulfonylating agent, a key building block in advanced organic synthesis. Its value lies in its ability to introduce both difluoromethylene and disulfonyl groups, enabling the creation of complex molecular architectures with high efficiency. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, particularly for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Critical for the synthesis of sulfonyl fluoride-based protease inhibitors and other bioactive molecules, serving as a key precursor in drug discovery and development.
• Agrochemical Synthesis: Used in the production of advanced herbicides and pesticides, where the difluoromethylene and sulfone groups contribute to enhanced biological activity and environmental stability.
• Polymer & Material Science: Acts as a monomer or cross-linking agent for creating high-performance polymers with unique thermal and chemical resistance properties.
• Ligand & Catalyst Development: Employed in the preparation of specialized ligands and organocatalysts used in asymmetric synthesis and transition metal catalysis.
• Fluorine Chemistry Research: A versatile reagent for introducing fluorine atoms and sulfonyl groups into organic molecules, facilitating the study of structure-activity relationships.
• Electrolyte Additive for Batteries: Investigated for use in lithium-ion battery electrolytes to improve interfacial stability and cycle life.

Basic Information

Product Name	Methanedisulfonyldifluoride
CAS No.	42148-23-2
Molecular Formula	C2H2F2O4S2
Molecular Weight	200.16 g/mol
Synonyms	Difluoromethanedisulfonyl Fluoride; Methanedisulfonyl Difluoride; Bis(fluorosulfonyl)methane; Difluoromethylene Disulfonyl Fluoride; 1,1-Difluoro-1,1-disulfonyl Difluoride; (Difluoromethanediyl)bis(sulfonyl fluoride); FSO2CF2SO2F
EINECS	Contact for details

Quality Control

Our Methanedisulfonyldifluoride is manufactured under strict process controls to ensure batch-to-batch consistency and high purity. Each lot undergoes rigorous analytical testing, including NMR, IR, and GC/HPLC analysis, to confirm identity, potency, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Due to its reactivity as a strong acid/organic solvent and highly volatile nature, keep away from heat, sparks, open flames, and incompatible materials such as strong bases and reducing agents. Use appropriate corrosion-resistant storage equipment.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Purity (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Acidity (Titration)	Contact for details

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