Description

Disodium 3,3'-(Phenylphosphinediyl)Bis(Benzene-1-Sulphonate) is a high-purity, water-soluble phosphine derivative with a sulfonate functional group. This compound is valued for its unique combination of a phosphine center and anionic sulfonate groups, making it an effective ligand and catalyst component in aqueous-phase chemical synthesis. It is primarily sought by manufacturers in the fine chemical, pharmaceutical, and specialty polymer industries for applications requiring precise molecular control and compatibility with aqueous systems.

Application

• As a water-soluble ligand for transition metal catalysts in aqueous-phase hydrogenation and cross-coupling reactions.
• Key intermediate in the synthesis of specialty surfactants and emulsifiers with specific chelating properties.
• Component in photocatalyst systems and advanced material formulations for electronics.
• Used in research and development of novel pharmaceutical intermediates requiring precise ligand-metal complexes.
• Potential additive for metal extraction and recovery processes in hydrometallurgy.
• Building block for creating functional polymers with enhanced metal-binding capabilities.

Basic Information

Product Name	Disodium 3,3'-(Phenylphosphinediyl)Bis(Benzene-1-Sulphonate)
CAS No.	64018-22-0
Molecular Formula	C24H18Na2O6P2S2
Molecular Weight	610.43 g/mol
Synonyms	Disodium 3,3'-(Phenylphosphinediyl)dibenzenesulfonate; BIS(3-Sulfophenyl)phenylphosphine Disodium Salt; 3,3'-(Phenylphosphinediyl)bis(benzenesulfonic acid) disodium salt; TPPDS; BSPP (Bis(sulfophenyl)phenylphosphine) disodium salt; Sulfonated Triphenylphosphine derivative; Water-soluble TPPDS; Ligand for aqueous catalysis
EINECS	Contact for details

Quality Control

Our production of Disodium 3,3'-(Phenylphosphinediyl)Bis(Benzene-1-Sulphonate) adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed against comprehensive specifications, including assay, impurity profile, and identity confirmation. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Heavy Metals (as Pb)	≤ 10 ppm
Residue on Ignition	≤ 0.5%
Solubility (in Water)	Clear, colorless solution

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