Description

Triphenylphosphine Sulfide is a versatile organophosphorus compound widely utilized as a key reagent and ligand in advanced chemical synthesis. Its primary value lies in its ability to act as a sulfur transfer agent and a stabilizing ligand for transition metal catalysts, facilitating critical reactions in pharmaceutical and specialty chemical manufacturing. This high-purity chemical is essential for research laboratories and industrial-scale producers in the pharmaceutical, agrochemical, and materials science sectors seeking reliable, high-performance intermediates.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block and catalyst ligand in the synthesis of active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Employed in the production of advanced pesticides and herbicides where sulfur-containing phosphine ligands are required.
• Catalyst Ligand: Acts as a stabilizing ligand in homogeneous catalysis for various cross-coupling and hydrogenation reactions.
• Sulfur Transfer Reagent: Used in organic synthesis to introduce sulfur atoms into target molecules under controlled conditions.
• Polymer Stabilizer: Functions as an antioxidant and stabilizer in polymer formulations to prevent degradation.
• Material Science Research: Investigated for use in the development of novel electronic materials and metal-organic frameworks (MOFs).
• Laboratory Reagent: A standard reagent in research and development for exploring new synthetic methodologies.

Basic Information

Product Name	Triphenylphosphine Sulfide
CAS No.	3878-45-3
Molecular Formula	C18H15PS
Molecular Weight	294.35 g/mol
Synonyms	Triphenylphosphine sulfide; Phosphine sulfide, triphenyl-; Thiophosphine oxide, triphenyl-; Triphenylphosphinothioic acid S-ester; TPP=S; PPh3S; NSC 403083; (Sulfanylidene)triphenyl-λ5-phosphane
EINECS	223-403-5

Quality Control

Our Triphenylphosphine Sulfide is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial applications. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials. This product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	160 - 164 °C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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