Description

Chlorosulfurobic Acid CAS NO 25404-06-2 is a specialized organosulfur compound characterized by its strong acidic properties and reactivity as an electrophilic sulfonating agent. This chemical is valued for its ability to introduce sulfonyl chloride or sulfonic acid groups into target molecules, enabling the synthesis of complex intermediates. It is primarily utilized by research chemists and process development teams in the pharmaceutical, agrochemical, and specialty chemical industries for advanced organic synthesis and derivatization.

Application

• Pharmaceutical Intermediate Synthesis: Key reagent for introducing sulfonyl chloride moieties in the development of active pharmaceutical ingredients (APIs) and prodrugs.
• Agrochemical Manufacturing: Used in the synthesis of sulfonamide-based herbicides, fungicides, and plant growth regulators.
• Dye and Pigment Production: Acts as a sulfonating agent in the manufacture of sulfonated dyes and colorants for improved solubility and fastness.
• Polymer Modification: Employed to functionalize polymers and resins with sulfonic acid groups, enhancing properties like hydrophilicity or ion-exchange capacity.
• Chemical Research & Development: A versatile building block in organic synthesis for creating novel sulfonated compounds in academic and industrial R&D settings.
• Catalyst Preparation: Used in the synthesis of solid acid catalysts and supported reagents for various organic transformations.

Basic Information

Item	Details
Product Name	Chlorosulfurobic Acid
CAS No.	25404-06-2
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Chlorosulfuric Acid Derivative; Sulfurochloridic Acid; Chlorosulfonic Acid Derivative; Sulfonyl Chloride Precursor; 25404-06-2; Chlorosulfurobic Acid (CAS 25404-06-2)
EINECS	Contact for details

Quality Control

Our Chlorosulfurobic Acid is produced and handled under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting key parameters are provided and available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Due to its nature as a strong acid/organic solvent, containers must be kept tightly sealed and upright to prevent moisture ingress and decomposition. Recommended storage temperature is 2-8°C for extended stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 95.0%
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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