Description

Diphenylphosphinothioyl Chloride is a versatile organophosphorus reagent characterized by its reactive P-Cl bond and thiophosphoryl group. This compound is a critical building block in synthetic organic and organometallic chemistry, enabling the efficient introduction of the diphenylphosphinothioyl moiety. It is primarily utilized by researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries for the synthesis of ligands, catalysts, and advanced intermediates.

Application

• Pharmaceutical Intermediate: Key reagent in the synthesis of novel drug candidates, particularly those targeting enzyme inhibition.
• Ligand Synthesis: Precursor for creating phosphine-thioether and related hybrid ligands used in homogeneous catalysis.
• Agrochemical Production: Building block for advanced pesticides and herbicides requiring specific phosphorus-sulfur chemistry.
• Polymer Modification: Used to incorporate flame-retardant or metal-chelating properties into polymer chains.
• Material Science Research: Employed in the development of new metal-organic frameworks (MOFs) and functional surfaces.
• Chemical Synthesis: Versatile reagent for forming P-S, P-N, and P-C bonds in complex molecule construction.

Basic Information

Product Name	Diphenylphosphinothioyl Chloride
CAS No.	1015-37-8
Molecular Formula	C12H10ClPS
Molecular Weight	252.70 g/mol
Synonyms	Chlorodiphenylphosphine Sulfide; Diphenylchlorothiophosphine; Diphenylphosphinothioic Chloride; Thiophosphinyl Chloride, Diphenyl-; (Chlorothiophosphinyl)benzene; P,P-Diphenylphosphinothioyl Chloride; NSC 404083; Diphenylthiophosphinic Chloride
EINECS	213-816-2

Quality Control

Our Diphenylphosphinothioyl Chloride is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including assay by titration and impurity profile analysis by GC/HPLC, to ensure high purity and consistency. Certificates of Analysis (COA) detailing all specifications are 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, well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) to prevent decomposition. Keep away from strong acids and organic solvents.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 97.0%
Melting Point	58 - 62 °C
Related Impurities (HPLC)	≤ 2.0% total

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