Description

Phenyldifluorophosphine Sulfide CAS NO 657-40-9 is a specialized organophosphorus compound characterized by its unique phosphorus-sulfur and phosphorus-fluorine bonds. This chemical serves as a critical intermediate and reagent in advanced synthetic chemistry, enabling the introduction of difluorophosphinothioyl groups into target molecules. It is primarily utilized by research institutions and industrial R&D departments focused on developing novel pharmaceuticals, agrochemicals, and materials science applications.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those targeting enzyme inhibition.
• Agrochemical Research: Used in the development of new pesticides and herbicides, leveraging its reactive phosphorus center.
• Ligand Synthesis: Serves as a precursor for creating specialized ligands in coordination chemistry and catalysis.
• Material Science: Employed in the research of flame retardants, polymer modifiers, and other functional materials.
• Chemical Synthesis Reagent: Acts as a fluorinating and thiophosphorylating agent in organic synthesis laboratories.

Basic Information

Product Name	Phenyldifluorophosphine Sulfide
CAS No.	657-40-9
Molecular Formula	C6H5F2PS
Molecular Weight	178.14 g/mol
Synonyms	Phenyldifluorophosphine sulfide; Difluorophenylphosphine sulfide; Phenylphosphonothioic difluoride; (Difluorophosphinothioyl)benzene; Benzene, (difluorophosphinothioyl)-; Phenyl difluorothiophosphinite; Thiophosphinyl fluoride, difluoro(phenyl)-; 657-40-9
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards for research and development. Each batch is analyzed to confirm identity, purity, and consistency. Certificates of Analysis (COA) detailing specific parameters such as assay (by NMR or GC), impurity profile, and physical characteristics are available upon request. We adhere to strict in-house quality protocols to guarantee reliable performance in your synthetic applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Due to its hygroscopic and moisture-sensitive nature, containers must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent decomposition. Keep away from strong bases and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (NMR/GC)	≥ 95.0%
Purity (GC)	≥ 90.0%
Water Content (KF)	≤ 0.5%

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