Description

4,4′-Bis(Diphenylphosphino)-Terphenyl is a high-purity, specialized organophosphorus ligand with a rigid terphenyl backbone. This compound matters for its exceptional ability to coordinate with transition metals, forming highly active and selective catalysts crucial for advanced chemical synthesis. It is primarily needed by researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors for applications such as cross-coupling reactions and asymmetric catalysis.

Application

• As a key ligand in palladium-catalyzed cross-coupling reactions (e.g., Suzuki, Heck, Negishi) for constructing complex organic molecules.
• In the development of high-performance homogeneous catalysts for fine chemical and pharmaceutical intermediate synthesis.
• For asymmetric catalysis in the production of enantiomerically pure compounds, leveraging its bulky, electron-donating properties.
• As a precursor or modifier in materials science, particularly in the synthesis of metal-organic frameworks (MOFs) or functional polymers.
• In academic and industrial R&D for exploring new catalytic systems and reaction methodologies.
• For the stabilization of low-oxidation-state metal complexes in organometallic chemistry.

Basic Information

Product Name	4,4′-Bis(Diphenylphosphino)-Terphenyl
CAS No.	17249-04-6
Molecular Formula	C42H30P2
Molecular Weight	596.64 g/mol
Synonyms	4,4''-Bis(diphenylphosphino)-1,1':4',1''-terphenyl; 4,4'-Bis(diphenylphosphino)-p-terphenyl; BDPT; 1,1':4',1''-Terphenyl, 4,4''-bis(diphenylphosphino)-; 4,4''-Bis(diphenylphosphino)-p-terphenyl; 4,4'-Bis(diphenylphosphino)terphenyl; 4,4''-Bis(diphenylphosphino)-1,1':4',1''-terphenyl
EINECS	Contact for details

Quality Control

Our 4,4′-Bis(Diphenylphosphino)-Terphenyl is manufactured under strict quality protocols to ensure batch-to-batch consistency and high purity, essential for sensitive catalytic applications. Each lot undergoes comprehensive analytical testing, including HPLC, NMR, and elemental analysis. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at a controlled room temperature (15-25°C) to prevent oxidation and degradation. Keep the container in a cool, dry, and well-ventilated area away from incompatible materials.

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%

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