Description

(4-Fluorophenyl)Methanesulfonic Acid is a specialized organosulfur compound featuring a fluorinated aromatic ring, serving as a versatile building block and reagent in advanced chemical synthesis. Its value lies in its dual functionality as a strong acid and a source of the (4-fluorophenyl)methylsulfonyl moiety, enabling precise molecular modifications. This high-purity intermediate is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, particularly for developing active ingredients and novel materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), especially for compounds requiring a fluorinated aromatic sulfonate group.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and pesticides where the fluorine atom enhances biological activity and stability.
• Ligand and Catalyst Preparation: Serves as a precursor for creating specialized ligands and organocatalysts used in asymmetric synthesis and cross-coupling reactions.
• Material Science Research: Employed in the development of novel polymers, electrolytes, and ionic liquids with tailored properties.
• Chemical Derivatization: Acts as a derivatizing agent or protecting group in complex multi-step organic synthesis.
• Fine Chemical Production: Utilized in the manufacture of high-value specialty chemicals and dyes.

Basic Information

Product Name	(4-Fluorophenyl)Methanesulfonic Acid
CAS No.	1064778-57-9
Molecular Formula	C7H7FO3S
Molecular Weight	190.19 g/mol
Synonyms	4-Fluorophenylmethanesulfonic Acid; (p-Fluorophenyl)methanesulfonic Acid; α-Toluenesulfonic Acid, 4-fluoro-; 4-Fluorobenzylsulfonic Acid; p-Fluorobenzylsulfonic Acid; 1-(Fluorophenyl)methanesulfonic Acid; (4-Fluorobenzyl)sulfonic Acid; 1064778-57-9
EINECS	Contact for details

Quality Control

Our (4-Fluorophenyl)Methanesulfonic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and titration, to ensure high purity and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with customer specifications and relevant industry standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after use to prevent degradation from atmospheric moisture. Keep away from strong bases and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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