Description

Tris(4-Fluorophenyl)Phosphine Sulfide is a specialized organophosphorus compound featuring a thiophosphoryl (P=S) core and three fluorinated aromatic rings. This structure makes it a valuable ligand and building block in advanced materials science and pharmaceutical research, where its electronic and steric properties are highly sought after. It is primarily utilized by researchers and manufacturers in the fields of organic synthesis, catalysis, and as a precursor for novel photoactive or electronic materials.

Application

• Catalyst Ligand in Cross-Coupling Reactions: Serves as a sophisticated ligand for transition metal catalysts (e.g., Pd, Ni) used in C-C and C-X bond formation, benefiting from the electron-withdrawing fluoro groups.
• Pharmaceutical Intermediate: Acts as a key synthon in the development of active pharmaceutical ingredients (APIs), particularly for compounds requiring fluorinated phosphine sulfide motifs.
• Material Science Precursor: Used in the synthesis of novel polymers, coordination complexes, and metal-organic frameworks (MOFs) with tailored electronic properties.
• Flame Retardant Additive Research: Investigated as a potential component in flame-retardant formulations due to the presence of phosphorus and sulfur.
• Agrochemical Synthesis: Employed in the research and development of advanced agrochemicals, where fluorinated compounds often enhance bioactivity and stability.
• Luminescent Material Development: Explored as a building block for organic light-emitting diodes (OLEDs) and other photoactive materials.

Basic Information

Product Name	Tris(4-Fluorophenyl)Phosphine Sulfide
CAS No.	18437-80-4
Molecular Formula	C18H12F3PS
Molecular Weight	348.32 g/mol
Synonyms	Tris(p-fluorophenyl)phosphine sulfide; Tris(4-fluorophenyl)thiophosphine; Phosphinothioic acid, tris(4-fluorophenyl)-; P,P,P-Tris(4-fluorophenyl)phosphinothioic acid; 4-Fluorophenylphosphonothioic acid tris(4-fluorophenyl) ester; (4-Fluorophenyl)phosphine sulfide, tris-; Thiophosphoryl tris(4-fluorobenzene)
EINECS	Contact for details

Quality Control

Our Tris(4-Fluorophenyl)Phosphine Sulfide is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and elemental analysis, to ensure high purity and consistent performance. A Certificate of Analysis (COA) detailing the specific results is provided with every shipment to guarantee traceability and compliance with your research or production requirements.

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 strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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