Description

4-Phenoxythiophenol is a versatile sulfur-containing aromatic compound with a unique chemical structure that combines a thiophenol group with a phenoxy substituent. This structure makes it a valuable intermediate for synthesizing more complex molecules, particularly in the development of advanced materials and specialty chemicals. It is primarily sought after by R&D chemists and process engineers in the pharmaceutical, agrochemical, and polymer industries for applications requiring precise molecular modification.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring thioether or aryl sulfide linkages.
• Agrochemical Synthesis: Used in the research and production of novel pesticides, herbicides, and fungicides where the phenoxythiophenol moiety can impart specific biological activity.
• Polymer & Material Science: Acts as a monomer or chain-transfer agent in the production of specialty polymers, resins, and high-performance materials with modified thermal or mechanical properties.
• Ligand & Catalyst Preparation: Employed in organometallic chemistry for the preparation of sulfur-based ligands used in catalytic systems for cross-coupling and other organic transformations.
• Organic Synthesis Reagent: Functions as a nucleophile or a precursor for introducing the 4-phenoxyphenylthio group into target molecules in complex synthetic routes.

Basic Information

Product Name	4-Phenoxythiophenol
CAS No.	38778-05-1
Molecular Formula	C₁₂H₁₀OS
Molecular Weight	202.27 g/mol
Synonyms	p-Phenoxythiophenol; 4-Phenoxybenzenethiol; (4-Phenoxyphenyl)thiol; 4-Phenoxy-thiophenol; Phenoxybenzenethiol; 1-Phenoxy-4-mercaptobenzene; Benzenethiol, 4-phenoxy-; 38778-05-1
EINECS	Contact for details

Quality Control

Our 4-Phenoxythiophenol is manufactured under strict quality management protocols. Every batch undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A Certificate of Analysis (COA) detailing specific results for purity, appearance, and other critical parameters is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated place. Recommended storage temperature is 2-8°C for long-term stability. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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