Description

4,4-Bis(Diethylphosphonomethyl)Biphenyl is a high-purity, specialty organophosphorus compound of significant interest in advanced material science and catalysis. This chemical serves as a critical building block and ligand precursor, valued for its ability to impart unique electronic and steric properties to complex molecular architectures. It is primarily sought by researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries for developing novel catalysts, flame retardants, and functional materials.

Application

• Ligand Synthesis for Catalysis: A key precursor for synthesizing sophisticated bidentate or multidentate phosphine ligands used in cross-coupling reactions (e.g., Suzuki, Heck) and homogeneous catalysis.
• Pharmaceutical Intermediate: Employed in the research and development of active pharmaceutical ingredients (APIs), particularly where phosphorus-containing moieties are required for biological activity or as prodrug components.
• Agrochemical Research: Used in creating novel herbicides, insecticides, and plant growth regulators that leverage organophosphorus chemistry for enhanced efficacy and selectivity.
• Flame Retardant Additive: Acts as a reactive or additive component in the formulation of flame-retardant polymers and resins, such as epoxy or polyurethane systems.
• Material Science & MOFs: Serves as an organic linker or functionalization agent in the synthesis of Metal-Organic Frameworks (MOFs) and other porous materials for gas storage or separation.
• Electrolyte Additive: Investigated for use as a functional additive in lithium-ion battery electrolytes to improve stability and performance at high voltages.

Basic Information

Item	Detail
Product Name	4,4-Bis(Diethylphosphonomethyl)Biphenyl
CAS No.	17919-34-5
Molecular Formula	C24H36O6P2
Molecular Weight	482.48 g/mol
Synonyms	1,1'-[1,1'-Biphenyl]-4,4'-diylbis[N,N-diethylmethanephosphonamide]; Biphenyl-4,4'-diylbis(methylene) bis(diethylphosphonate); 4,4'-Bis(diethylphosphonomethyl)biphenyl; Diethyl (((1,1'-biphenyl)-4,4'-diylbis(methylene))bis(phosphonate)); Tetrakis(diethylphosphonomethyl)biphenyl derivative precursor; B3BPM; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our production of 4,4-Bis(Diethylphosphonomethyl)Biphenyl adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity. Each lot is characterized using advanced analytical techniques including NMR, HPLC, and GC to confirm identity and quantify impurities. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and specific impurity profiles is provided with every shipment, supporting your R&D and scale-up activities.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (typically 15-25°C). Keep away from strong oxidizing agents. For long-term storage, consider an inert atmosphere to maintain optimal purity.

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	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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