Description

2-(Diphenylphosphino)Ethanethiol is a versatile organophosphorus ligand and building block featuring both phosphine and thiol functional groups. This unique bifunctional structure makes it a critical reagent for the synthesis of complex metal complexes and catalysts, particularly in asymmetric synthesis and materials science. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require precise molecular control for developing new catalytic processes and functional polymers.

Application

• Catalyst Ligand Synthesis: A key precursor for constructing bidentate and multidentate ligands used in homogeneous catalysis, including cross-coupling and hydrogenation reactions.
• Pharmaceutical Intermediates: Employed in the research and development of active pharmaceutical ingredients (APIs), especially where chiral phosphine ligands are required.
• Polymer Modification & Stabilization: Acts as a functional monomer or additive to introduce phosphine groups into polymers for enhanced properties or as a stabilizer.
• Surface Functionalization: Used to modify metal or semiconductor nanoparticle surfaces via the thiol group, creating tailored interfaces for sensors or electronic applications.
• Agrochemical Research: Serves as a building block for novel ligands in catalytic processes for producing crop protection agents.
• Material Science: Integral in developing metal-organic frameworks (MOFs) and coordination polymers with specific catalytic or adsorption functionalities.

Basic Information

Product Name	2-(Diphenylphosphino)Ethanethiol
CAS No.	3190-79-2
Molecular Formula	C14H15PS
Molecular Weight	246.30 g/mol
Synonyms	(2-Mercaptoethyl)diphenylphosphine; 2-(Diphenylphosphanyl)ethanethiol; Diphenyl(2-mercaptoethyl)phosphine; 2-(Diphenylphosphino)ethanethiol; Ethanethiol, 2-(diphenylphosphino)-; 2-Diphenylphosphinoethanethiol; 2-(Diphenylphosphanyl)ethane-1-thiol; (2-Sulfanylethyl)diphenylphosphane
EINECS	221-710-8

Quality Control

Our 2-(Diphenylphosphino)Ethanethiol is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets the high standards required for research and industrial synthesis. A Certificate of Analysis (COA) detailing specific results for identity, purity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at 2-8°C to minimize oxidation and degradation. Keep the container in a cool, dry, and well-ventilated area, separate from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to pale yellow crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details

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