Description

2,4-Bis(4-Phenoxyphenyl)-1,3-Dithia-2,4-Diphosphetane-2,4-Disulfide is a specialized organophosphorus compound that serves as a key intermediate in advanced chemical synthesis. Its value lies in its unique heterocyclic structure containing phosphorus and sulfur, which is integral for developing high-performance materials and functional additives. This product is essential for R&D laboratories and industrial manufacturers in the agrochemical, polymer, and specialty chemical sectors seeking to create novel compounds with specific thermal or chemical properties.

Application

• Phosphorus-Containing Flame Retardant Intermediate: A critical building block for synthesizing novel, high-efficiency flame retardants used in engineering plastics and polymers.
• Ligand for Catalysis: Used in the development of specialized ligands for transition metal catalysts, particularly in cross-coupling and other organic transformations.
• Agrochemical Synthesis: Serves as a precursor in the research and production of new-generation pesticides and herbicides.
• Polymer Modification: Employed to introduce phosphorus-sulfur functionalities into polymer backbones to enhance properties like thermal stability and adhesion.
• Specialty Chemical Research: A valuable reagent in academic and industrial R&D for exploring new heterocyclic chemistry and material science applications.
• Lubricant & Fuel Additive Component: Used in the formulation of extreme-pressure additives and anti-wear agents for advanced lubricants.

Basic Information

Product Name	2,4-Bis(4-Phenoxyphenyl)-1,3-Dithia-2,4-Diphosphetane-2,4-Disulfide
CAS No.	88816-02-8
Molecular Formula	C30H20O2P2S4
Molecular Weight	618.68 g/mol
Synonyms	2,4-Bis(p-phenoxyphenyl)-1,3-dithia-2,4-diphosphetane 2,4-disulfide; Phenoxyphenyl Dithiadiphosphetane Disulfide; Lawesson's Reagent Phenoxy Analogue; LR-Phenoxy; 1,3-Dithia-2,4-diphosphetane-2,4-disulfide, 2,4-bis(4-phenoxyphenyl)-; BPPD; Bis(4-phenoxyphenyl)thioxophosphine sulfide dimer
EINECS	Contact for details

Quality Control

Every batch of 2,4-Bis(4-Phenoxyphenyl)-1,3-Dithia-2,4-Diphosphetane-2,4-Disulfide is manufactured and tested under a strict quality management system. We ensure compliance with relevant industry standards for high-purity intermediates. Comprehensive analytical testing, including HPLC, NMR, and elemental analysis, is performed to verify identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This compound is easily oxidized and should be handled under an inert atmosphere (e.g., nitrogen or argon) for long-term storage or after opening to maintain purity and stability. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Yellow to light brown 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.