Description

4-Fluoro-2-Mercaptobenzoic Acid is a versatile fluorinated aromatic building block containing both a carboxylic acid and a thiol functional group. This unique bifunctional structure makes it a critical intermediate for synthesizing complex molecules in advanced research and development. It is primarily sought after by pharmaceutical, agrochemical, and material science industries for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for molecules requiring a fluorinated benzoic acid scaffold.
• Agrochemical Synthesis: Used in the development of new herbicides, fungicides, and pesticides where the fluorine atom enhances biological activity and stability.
• Ligand and Catalyst Development: Serves as a starting material for creating specialized ligands used in metal-catalyzed coupling reactions and asymmetric synthesis.
• Material Science: Building block for advanced polymers and liquid crystals, where the thiol group allows for cross-linking and the fluorine atom modifies material properties.
• Chemical Research: A valuable reagent in organic synthesis for constructing complex heterocycles and fluorinated aromatic compounds.

Basic Information

Product Name	4-Fluoro-2-Mercaptobenzoic Acid
CAS No.	81223-43-0
Molecular Formula	C7H5FO2S
Molecular Weight	172.18 g/mol
Synonyms	2-Mercapto-4-fluorobenzoic Acid; 4-Fluoro-2-sulfanylbenzoic Acid; Benzoic acid, 4-fluoro-2-mercapto-; 4-Fluoro-2-thiobenzoic Acid; 2-Sulfanyl-4-fluorobenzoic Acid; 4-Fluoro-2-mercaptobenzoic acid; 4-Fluoro-2-thiosalicylic Acid; 4-Fluoro-2-mercapto-benzoic acid
EINECS	Contact for details

Quality Control

Our 4-Fluoro-2-Mercaptobenzoic Acid is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (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.