Description

Bis(Diphenylphosphinothioyl) Persulfide is a specialized organophosphorus compound with a unique persulfide linkage. This chemical matters as a versatile intermediate and ligand in advanced material science and catalysis, offering distinct reactivity for creating novel sulfur-containing structures. It is primarily needed by researchers and manufacturers in the pharmaceutical, agrochemical, and polymer industries for developing new active ingredients and functional materials.

Application

• As a key intermediate in the synthesis of novel organophosphorus ligands for transition metal catalysis.
• In research and development of new pharmaceutical compounds, particularly those requiring sulfur-based functional groups.
• As a precursor or additive in the production of specialty polymers and advanced materials with tailored properties.
• For the development of agrochemicals, where its structure can contribute to new modes of action.
• In academic and industrial research as a building block for complex sulfur and phosphorus-containing molecules.
• As a potential vulcanization agent or modifier in specialty rubber formulations.

Basic Information

Product Name	Bis(Diphenylphosphinothioyl) Persulfide
CAS No.	6079-77-2
Molecular Formula	C24H20P2S4
Molecular Weight	506.64 g/mol
Synonyms	Bis(diphenylphosphinothioyl) Disulfide; Tetraphenyldiphosphine Disulfide; Diphosphine Tetrasulfide; 1,2-Bis(diphenylphosphinothioyl)disulfane; (Thiophosphinyl) Persulfide; (Ph2P(S)S)2; Diphenylphosphinothioic Disulfide; Bis(diphenylthiophosphinyl) Disulfide
EINECS	Contact for details

Quality Control

Our Bis(Diphenylphosphinothioyl) Persulfide is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and IR for structural confirmation, to ensure it meets precise customer specifications and consistent performance. A comprehensive Certificate of Analysis (COA) detailing all test results is 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). This material is easily oxidized and should be handled under an inert atmosphere (e.g., nitrogen or argon) for long-term storage or when opening the container to prevent degradation.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%

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