Description

Benzenethiol, Potassium Salt is an organosulfur compound with the chemical formula C6H5SK. This versatile potassium thiophenolate salt serves as a critical reagent and intermediate in advanced organic synthesis, valued for its nucleophilic sulfur center. It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for constructing sulfur-containing molecular frameworks.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of sulfur-containing active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Synthesis: Used in the production of certain herbicides, fungicides, and insecticides where a thiophenolate moiety is required.
• Ligand & Catalyst Preparation: Acts as a precursor for generating metal-thiolate complexes used in catalysis and materials science.
• Polymer Modification: Employed in the functionalization of polymers and resins to introduce thiol groups for cross-linking or adhesion promotion.
• Organic Synthesis Reagent: A versatile nucleophile for thioetherification reactions, nucleophilic aromatic substitution, and as a source of the PhS- anion.
• Chemical Research: Fundamental reagent in academic and industrial R&D for exploring new synthetic methodologies involving C-S bond formation.

Basic Information

Product Name	Benzenethiol, Potassium Salt
CAS No.	3111-52-2
Molecular Formula	C6H5KS
Molecular Weight	148.27 g/mol
Synonyms	Potassium Benzenethiolate; Potassium Thiophenolate; Potassium Phenylmercaptide; Phenylmercaptan Potassium Salt; Thiophenol Potassium Salt; Benzenethiolate Potassium; C6H5SK; Potassium Phenysulfide
EINECS	221-475-5

Quality Control

Our Benzenethiol, Potassium Salt is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide Certificates of Analysis (COA) with key parameters including assay, impurity profile, and moisture content. Our quality systems are designed to support applications requiring reliable and reproducible performance in sensitive synthetic processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and easily oxidized; it is recommended to handle and store under an inert atmosphere (e.g., nitrogen or argon) to maintain stability and purity. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 98.0 %
Water Content (KF)	≤ 2.0 %
Heavy Metals (as Pb)	≤ 20 ppm

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