Description

2-Fluoro-Benzenesulfonic Acid is a versatile fluorinated aromatic sulfonic acid derivative, serving as a key building block in advanced chemical synthesis. Its value lies in the unique reactivity imparted by the fluorine substituent, which can significantly alter electronic properties and metabolic stability in target molecules. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries who require high-purity intermediates for developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A crucial synthon for the preparation of fluorinated drug candidates, particularly in kinase inhibitors and other small-molecule therapeutics.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and pesticides where the fluorine atom enhances biological activity and environmental persistence.
• Ligand and Catalyst Preparation: Serves as a precursor for sulfonate ligands used in transition metal catalysis and polymerization processes.
• Dye and Pigment Manufacturing: Employed in the synthesis of specialty dyes and pigments, where the sulfonic acid group improves solubility and the fluorine atom fine-tunes color properties.
• Electrolyte Additive: Investigated for use in lithium-ion battery electrolytes to improve stability and performance at high voltages.
• Polymer Modification: Acts as a monomer or grafting agent to introduce sulfonic acid functionality into polymers for ion-exchange membranes or proton-conducting materials.

Basic Information

Product Name	2-Fluoro-Benzenesulfonic Acid
CAS No.	35300-35-7
Molecular Formula	C6H5FO3S
Molecular Weight	176.17 g/mol
Synonyms	o-Fluorobenzenesulfonic Acid; Benzenesulfonic acid, 2-fluoro-; 2-Fluorophenylsulfonic Acid; ortho-Fluorobenzenesulfonic Acid; 2-FBSA; Fluorobenzene-2-sulfonic Acid; 1-Fluoro-2-sulfobenzene
EINECS	Contact for details

Quality Control

Every batch of our 2-Fluoro-Benzenesulfonic Acid is produced and tested under a strict quality management system. We ensure compliance with relevant industry standards for fine chemical intermediates. Comprehensive analytical testing, including HPLC for purity and identity confirmation, is performed. A Certificate of Analysis (COA) detailing all specification results is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and a strong acid/organic solvent; ensure containers are kept tightly sealed to exclude moisture and are stored separately from bases and reactive materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Melting Point	Contact for details

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