Description

Benzoic Acid, 4,4',4''-Phosphinidynetris- is a specialized organophosphorus compound featuring a central phosphorus atom linked to three benzoic acid moieties. This unique structure makes it a valuable intermediate and ligand in advanced chemical synthesis and materials science. It is primarily sought after by research institutions and industrial manufacturers developing high-performance polymers, catalysts, and electronic materials. The compound, with CAS No. 22836-27-7, is essential for applications requiring precise molecular architecture and functional group control.

Application

• As a key multidentate ligand in the synthesis of transition metal catalysts for polymerization and organic transformations.
• An intermediate in the production of advanced polymers and resins with enhanced thermal or mechanical properties.
• In the development of organic electronic materials, such as components for OLEDs or photovoltaics, due to its conjugated system.
• For surface modification and functionalization of nanoparticles and other materials.
• As a building block in pharmaceutical and agrochemical research for creating novel active ingredients.
• In coordination chemistry research to study complex formation and metal ion binding.

Basic Information

Product Name	Benzoic Acid, 4,4',4''-Phosphinidynetris-
CAS No.	22836-27-7
Molecular Formula	C21H15O6P
Molecular Weight	394.32 g/mol
Synonyms	Tris(4-carboxyphenyl)phosphine oxide; 4,4',4''-Phosphinidynetrisbenzoic acid; Phosphorous acid tris(4-carboxyphenyl) ester; Tris(p-carboxyphenyl)phosphine oxide; P,P,P-Tris(4-carboxyphenyl)phosphine oxide; Benzoic acid, 4,4',4''-phosphinylidynetris-; [4-(Diphenylphosphinyl)phenyl]phosphonic acid (tautomeric form)
EINECS	Contact for details

Quality Control

Our production of Benzoic Acid, 4,4',4''-Phosphinidynetris- adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is characterized using advanced analytical techniques including NMR, HPLC, and elemental analysis. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment. We support custom synthesis and can tailor specifications to meet specific research or cGMP development requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). The product is moisture-sensitive; keep the container tightly sealed in a dry environment.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm

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