Description

Triphenylphosphine-3,3',3''-Trisulfonic Acid Trisodium Salt is a water-soluble, anionic phosphine ligand and catalyst. This compound is highly valued for its role in facilitating aqueous-phase transition metal catalysis, enabling cleaner and more efficient chemical synthesis. It is essential for researchers and manufacturers in the pharmaceutical, fine chemical, and specialty polymer industries who require robust, water-compatible catalytic systems for hydrogenation, hydroformylation, and cross-coupling reactions.

Application

• As a water-soluble ligand for rhodium- and ruthenium-catalyzed hydrogenation reactions in aqueous or biphasic systems.
• Catalyst component for hydroformylation of olefins in environmentally friendly aqueous/organic two-phase processes.
• Precursor for the synthesis of other functionalized, water-soluble phosphine ligands and metal complexes.
• Use in palladium-catalyzed cross-coupling reactions (e.g., Suzuki, Heck) performed in aqueous media.
• Phase-transfer catalyst for reactions involving anionic intermediates in multiphase systems.
• Research and development of novel catalytic processes for green chemistry and sustainable manufacturing.

Basic Information

Product Name	Triphenylphosphine-3,3',3''-Trisulfonic Acid Trisodium Salt
CAS No.	63995-70-0
Molecular Formula	C18H12Na3O9P S3
Molecular Weight	608.41 g/mol
Synonyms	Trisodium Triphenylphosphine-3,3',3''-Trisulfonate; TPPTS; 3,3',3''-Phosphinidynetris(benzenesulfonic acid) trisodium salt; Tris(3-sulfophenyl)phosphine trisodium salt; Water-soluble triphenylphosphine; TPPTS Ligand; TPPTS, trisodium salt; Tris(3-sulfonatophenyl)phosphine trisodium salt hydrate
EINECS	Contact for details

Quality Control

Our Triphenylphosphine-3,3',3''-Trisulfonic Acid Trisodium Salt is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure high purity and consistent performance. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming specifications for assay, sulfonate content, residual solvents, and moisture. We support compliance with relevant regulatory frameworks for industrial and research applications.

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 material is hygroscopic (moisture-sensitive). Keep the container tightly sealed in a dry environment to prevent absorption of atmospheric moisture, which can affect product performance.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Sulfonate Content	≥ 98.0% of theory
Water Content (KF)	≤ 5.0%
Residual Solvents (GC)	Meets ICH guidelines
pH (5% solution)	6.0 - 8.0

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