Description

m-(Phenylthio)Benzoic Acid is a specialized aromatic sulfur-containing carboxylic acid derivative, serving as a versatile intermediate in advanced organic synthesis. Its unique structure, featuring a thioether linkage, makes it valuable for constructing complex molecules and modifying material properties. This compound is primarily sought by R&D chemists and process engineers in the pharmaceutical, agrochemical, and material science industries for applications ranging from drug discovery to polymer modification.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those requiring a benzothiophene or diaryl sulfide core structure.
• Agrochemical Synthesis: Used in the development of herbicides, fungicides, and plant growth regulators where the phenylthio moiety imparts specific biological activity.
• Ligand and Catalyst Precursor: Serves as a precursor for chelating ligands in transition metal catalysis and as a modifier for catalyst surfaces.
• Polymer and Material Science: Incorporated into polymer backbones or as a side-chain modifier to enhance thermal stability, refractive index, or adhesion properties of advanced materials.
• Organic Electronic Materials: Investigated as a component in the synthesis of charge-transport materials for OLEDs and other electronic devices.
• Chemical Research & Development: A valuable reagent for methodological studies in C-S bond formation and for creating compound libraries in medicinal chemistry.

Basic Information

Product Name	m-(Phenylthio)Benzoic Acid
CAS No.	5537-72-4
Molecular Formula	C13H10O2S
Molecular Weight	230.28 g/mol
Synonyms	3-(Phenylthio)benzoic acid; m-(Phenylmercapto)benzoic Acid; Benzoic acid, 3-(phenylthio)-; 3-Phenylthiobenzoic acid; 3-(Phenylsulfanyl)benzoic acid; m-Phenylthiobenzoic Acid; 3-Benzoic acid phenyl sulfide; NSC 403107
EINECS	226-879-3

Quality Control

Every batch of m-(Phenylthio)Benzoic Acid is manufactured and tested under a strict quality management system. We provide comprehensive analytical data to ensure the product meets your specific research or production requirements. A detailed Certificate of Analysis (COA) is supplied with each shipment, confirming identity, purity, and conformity to agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
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.