Description

3,3',3'',3'''-(1,3-Propanediyldiphosphinidyne)Tetrakis[4-Methoxybenzenesulfonic Acid] is a specialized organophosphorus compound featuring a unique tetrasulfonic acid structure, making it a powerful and versatile acidic catalyst and ligand precursor. Its value lies in its ability to provide strong acidity in organic media, facilitating challenging chemical transformations where traditional mineral acids are ineffective. This high-purity intermediate is essential for researchers and manufacturers in advanced organic synthesis, pharmaceutical development, and materials science, particularly for creating novel catalysts and functional polymers.

Application

• Acid Catalyst in Organic Synthesis: Employed as a strong, non-volatile Brønsted acid catalyst for esterifications, condensations, and other acid-promoted reactions in organic solvents.
• Ligand Precursor for Metal Complexes: Serves as a sophisticated precursor for generating water-soluble or highly acidic phosphine-type ligands used in homogeneous catalysis.
• Polymer Modification & Functionalization: Used to introduce sulfonic acid groups into polymer backbones, creating proton-conducting membranes for fuel cells or ion-exchange resins.
• Pharmaceutical Intermediate: Acts as a key building block in the multi-step synthesis of complex drug molecules, particularly those requiring specific phosphonate or sulfonate functionalities.
• Surface Treatment Agent: Applied in the modification of material surfaces to enhance hydrophilicity, adhesion, or catalytic activity.
• Research & Development: A valuable tool for academic and industrial R&D in exploring new catalytic systems and advanced material properties.

Basic Information

Product Name	3,3',3'',3'''-(1,3-Propanediyldiphosphinidyne)Tetrakis[4-Methoxybenzenesulfonic Acid]
CAS No.	406939-32-0
Molecular Formula	C31H32O16P2S4
Molecular Weight	842.79 g/mol
Synonyms	1,3-Propanediylbis(phosphanetriyl)tetrakis(4-methoxybenzene-1-sulfonic acid); Tetrakis(4-methoxyphenylsulfonyl)-1,3-propanediyldiphosphine; P,P'-(1,3-Propanediyl)bis[P,P,P-tris(4-methoxyphenylsulfonyl)phosphine]; 1,3-Bis[tris(4-methoxybenzenesulfonyl)phosphoranylidene]propane
EINECS	Contact for details

Quality Control

Our production of 3,3',3'',3'''-(1,3-Propanediyldiphosphinidyne)Tetrakis[4-Methoxybenzenesulfonic Acid] adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity assessment and NMR for structural confirmation, to ensure it meets exacting specifications for research and industrial use. Certificates of Analysis (COA) detailing all test results are provided to guarantee traceability and compliance with your quality requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its strong acid/organic solvent nature, keep away from incompatible materials such as strong bases, oxidizing agents, and reactive metals. The container must be kept tightly sealed to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%

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