Description

Tris(3,3',3''-Phosphinidynetris(benzenesulfonato)) is a specialized organophosphorus compound with a unique tris-sulfonated triphenylphosphine structure. This compound matters as a versatile ligand and precursor in advanced catalytic and materials chemistry, offering enhanced solubility and tunable electronic properties. It is primarily needed by researchers and manufacturers in the pharmaceutical, fine chemical, and advanced materials sectors for developing novel catalysts and functional polymers.

Application

• As a ligand in transition metal catalysis for cross-coupling and hydrogenation reactions.
• As a precursor for water-soluble catalysts in homogeneous catalytic processes.
• In the synthesis of functionalized polymers and advanced materials.
• For surface modification and creation of self-assembled monolayers (SAMs).
• In academic and industrial R&D for exploring new organophosphorus chemistry.
• As a chelating agent in metal extraction and sequestration applications.

Basic Information

Product Name	Tris(3,3',3''-Phosphinidynetris(benzenesulfonato))
CAS No.	176483-72-0
Molecular Formula	C18H15O9P3S3
Molecular Weight	612.48 g/mol
Synonyms	Tris(3-sulfophenyl)phosphine; Tris(m-sulfophenyl)phosphine; TPPS3; 3,3',3''-Phosphinidynetris(benzenesulfonic acid); Tris(3,3',3''-phosphinidynetrisbenzenesulfonate); P(m-C6H4SO3H)3; Water-soluble triphenylphosphine derivative
EINECS	Contact for details

Quality Control

Our Tris(3,3',3''-Phosphinidynetris(benzenesulfonato)) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specifications such as assay, sulfonate content, and residual solvents are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Due to its properties, this material is light-sensitive (store away from light) and easily oxidized (store under inert atmosphere). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Sulfonate Content (Titration)	Contact for details
Residual Solvents (GC)	Meets ICH guidelines

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