Description

3-(Triphenylphosphonio)Propane-1-Sulfonate is a high-purity, zwitterionic phosphonium sulfonate salt with significant utility as a versatile intermediate and ligand in advanced chemical synthesis. This compound is valued for its unique structure, which combines a positively charged triphenylphosphonium group with a negatively charged sulfonate group, enabling applications in catalysis and materials science. It is primarily sought by researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries for developing novel synthetic pathways and functional materials.

Application

• Phase-Transfer Catalyst (PTC): Employed in biphasic reaction systems to facilitate the migration of reactants between organic and aqueous phases, enhancing reaction rates and yields.
• Ligand for Transition Metal Catalysis: Serves as a stabilizing ligand for various metal complexes used in cross-coupling reactions (e.g., Suzuki, Heck) and hydrogenation processes.
• Intermediate for Ionic Liquids: Acts as a key precursor in the synthesis of task-specific ionic liquids and zwitterionic compounds with tailored properties.
• Polymer Modification: Used to incorporate ionic functionalities into polymers, improving characteristics like solubility, thermal stability, or conductivity.
• Pharmaceutical Intermediate: Utilized in the research and development of active pharmaceutical ingredients (APIs), particularly for constructing complex molecular architectures.
• Surface Modification Agent: Applied to alter surface properties of materials for enhanced wettability, adhesion, or biocompatibility.

Basic Information

Item	Details
Product Name	3-(Triphenylphosphonio)Propane-1-Sulfonate
CAS No.	439937-65-2
Molecular Formula	C21H21O3PS
Molecular Weight	384.42 g/mol
Synonyms	3-(Triphenylphosphonio)-1-propanesulfonate; Triphenyl(3-sulfopropyl)phosphonium; (3-Sulfopropyl)triphenylphosphonium; 1-Propanesulfonic acid, 3-(triphenylphosphonio)-, inner salt; TPPS; TPPPS; Phosphonium, triphenyl(3-sulfopropyl)-, hydroxide, inner salt
EINECS	Contact for details

Quality Control

Our 3-(Triphenylphosphonio)Propane-1-Sulfonate is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR for structural confirmation, and KF titration for moisture content, to ensure it meets precise customer specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept sealed to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.1%

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