Description

Sodium Diphenylphosphinobenzene-3-Sulfonate is a specialized organophosphorus compound widely utilized as a water-soluble ligand in transition metal catalysis. This chemical matters for its unique ability to facilitate homogeneous catalytic reactions in aqueous media, offering significant advantages in separation and environmental friendliness. Industries such as pharmaceutical manufacturing, fine chemical synthesis, and advanced materials research need it for developing more sustainable and efficient chemical processes.

Application

• Homogeneous Catalysis: Acts as a key ligand for rhodium, palladium, and ruthenium catalysts in hydrogenation, hydroformylation, and carbon-carbon coupling reactions.
• Aqueous-Phase Synthesis: Enables catalytic processes in water, simplifying product isolation and reducing the use of volatile organic solvents.
• Pharmaceutical Intermediates: Used in the synthesis of complex drug molecules where water-soluble catalytic systems are advantageous.
• Asymmetric Synthesis: Employed in the preparation of chiral intermediates for active pharmaceutical ingredients (APIs).
• Polymer Chemistry: Serves as a co-catalyst or ligand in polymerization reactions to produce specialized polymers.
• Research & Development: A valuable tool for academic and industrial R&D in exploring new catalytic methodologies.

Basic Information

Product Name	Sodium Diphenylphosphinobenzene-3-Sulfonate
CAS No.	63995-75-5
Molecular Formula	C18H14NaO3PS
Molecular Weight	364.32 g/mol
Synonyms	Sodium 3-(Diphenylphosphino)benzenesulfonate; TPPMS; (3-Sulfophenyl)diphenylphosphine Sodium Salt; Monosulfonated Triphenylphosphine (m-TPPS); Sodium (3-Diphenylphosphinophenyl)sulfonate; P,P-Diphenyl-P'-(sodium sulfonatophenyl)phosphine; 3-(Diphenylphosphino)benzenesulfonic Acid Sodium Salt; m-Sulfonatophenyldiphenylphosphine Sodium Salt
EINECS	Contact for details

Quality Control

Our Sodium Diphenylphosphinobenzene-3-Sulfonate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets high-purity standards suitable for catalytic applications. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and easily oxidized; for long-term storage, it is recommended to keep the container under an inert atmosphere such as argon or nitrogen in a desiccator.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Clear, colorless solution

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