Description

4,4'-Bis(Phosphonomethyl)Biphenyl is a high-purity, bifunctional organophosphorus compound characterized by its biphenyl backbone with phosphonomethyl substituents. This structure makes it a valuable intermediate and ligand in advanced material science and specialty chemical synthesis. It is primarily sought after by researchers and manufacturers in the pharmaceutical, agrochemical, and polymer industries for developing novel compounds with specific chelating or catalytic properties. Its consistent quality and reliable supply are critical for process development and scale-up in these high-value sectors.

Application

• Key intermediate in the synthesis of novel pharmaceutical actives, particularly those requiring metal chelation or specific bioavailability profiles.
• Building block for specialty ligands and catalysts used in asymmetric synthesis and transition metal catalysis.
• Precursor in the development of flame-retardant additives and functional monomers for high-performance polymers.
• Research chemical for studying supramolecular chemistry and the creation of metal-organic frameworks (MOFs) or coordination polymers.
• Intermediate in agrochemical research for developing new plant growth regulators or herbicides with specific modes of action.
• Starting material for modifying surface properties in advanced material coatings.

Basic Information

Product Name	4,4'-Bis(Phosphonomethyl)Biphenyl
CAS No.	17919-31-2
Molecular Formula	C₁₄H₁₆O₆P₂
Molecular Weight	342.22 g/mol
Synonyms	4,4'-Bis(phosphonomethyl)-1,1'-biphenyl; [1,1'-Biphenyl]-4,4'-bis(methylphosphonic acid); Biphenyl-4,4'-diylbis(methylphosphonic acid); 4,4'-BPMBP; 4,4'-Bis(methylphosphonic acid)biphenyl; 4,4'-(Biphenyl-4,4'-diyl)bis(methylphosphonic acid); Contact for additional trade names.
EINECS	Contact for details

Quality Control

Every batch of 4,4'-Bis(Phosphonomethyl)Biphenyl is manufactured and tested under a strict quality management system. Our products undergo rigorous quality testing, including advanced chromatographic and spectroscopic methods, to ensure compliance with industry standards and customer specifications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles 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 area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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