Description

Tetrakis[tris(dimethylamino)phosphoranylidenamino]phosphonium chloride is a highly specialized organophosphorus compound, specifically a phosphazenium chloride salt. This chemical matters as a powerful, non-ionic, and sterically hindered strong base, offering unique reactivity and selectivity in demanding synthetic transformations. It is primarily needed by researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials sectors for applications such as deprotonation, catalysis, and the synthesis of sensitive intermediates where conventional bases are ineffective or cause side reactions.

Application

• Pharmaceutical Synthesis: As a superbase for the regioselective deprotonation of sensitive substrates, carbon-carbon bond formations, and the generation of reactive anions.
• Polymer Chemistry: Catalyst or initiator for the ring-opening polymerization (ROP) of lactones, lactides, and other monomers to produce biodegradable polymers.
• Agrochemical Intermediate Production: Used in the synthesis of complex, nitrogen- and phosphorus-containing active ingredients.
• Advanced Material Research: Employed in the development of ionic liquids, electrolytes, and other functional materials requiring tailored basicity.
• Organic Methodology Development: A key reagent in academic and industrial R&D for developing new catalytic cycles and reaction methodologies under mild conditions.
• Fine Chemical Manufacturing: For the production of high-value, specialty chemicals where high purity and selective reactivity are critical.

Basic Information

Product Name	Tetrakis[tris(dimethylamino)phosphoranylidenamino]phosphonium Chloride
CAS No.	122951-89-7
Molecular Formula	C24H72ClN16P5
Molecular Weight	722.21 g/mol
Synonyms	Phosphazene Base P4-t-Bu; t-Bu-P4; t-Bu-P4; tert-Butylimino-tris(dimethylamino)phosphorane; P4-t-Butyl Phosphazene Base; Chloride salt of Phosphazene Base P4-t-Bu; Tetrakis(tris(dimethylamino)phosphoranylidenamino)phosphonium chloride; Verkade's superbase (P4-t-Bu salt)
EINECS	Contact for details

Quality Control

Our Tetrakis[tris(dimethylamino)phosphoranylidenamino]phosphonium chloride is produced and handled under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specific results for assay, impurities, and other critical parameters 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, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 1.0%
Solubility	Soluble in common organic solvents (e.g., THF, CH2Cl2)

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