Description

2,2'-Bis(Diphenylphosphino)-1,1'-Biphenyl (BISBI) is a highly versatile and valuable bidentate phosphine ligand widely used in homogeneous catalysis. Its primary value lies in its ability to form stable complexes with transition metals, significantly enhancing catalytic activity and selectivity in critical chemical transformations. This ligand is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and fine chemical industries, where precise and efficient catalytic processes are paramount.

Application

• Homogeneous Catalysis: As a key ligand in cross-coupling reactions (e.g., Suzuki, Heck, Negishi) for C-C and C-X bond formation.
• Pharmaceutical Intermediates: Catalyzing the synthesis of complex, chiral molecules for active pharmaceutical ingredients (APIs).
• Asymmetric Hydrogenation: Enabling the production of enantiomerically pure compounds in agrochemicals and fragrances.
• Hydroformylation: Used in catalyst systems for the conversion of alkenes to aldehydes.
• Polymerization Catalysis: Acting as a ligand in metal-catalyzed polymerization processes for specialty polymers.
• Material Science Research: For developing novel metal-organic frameworks (MOFs) and catalytic materials.

Basic Information

Product Name	2,2'-Bis(Diphenylphosphino)-1,1'-Biphenyl
CAS No.	84783-64-2
Molecular Formula	C36H28P2
Molecular Weight	522.55 g/mol
Synonyms	BISBI; 2,2'-Bis(diphenylphosphino)biphenyl; Biphenyl-2,2'-diylbis(diphenylphosphane); 1,1'-Biphenyl, 2,2'-bis(diphenylphosphino)-; (1,1'-Biphenyl-2,2'-diyl)bis(diphenylphosphine); NSC 168088; 2,2'-Bis(difenilfosfino)-1,1'-bifenil
EINECS	Contact for details

Quality Control

Our 2,2'-Bis(Diphenylphosphino)-1,1'-Biphenyl is produced under strict quality management protocols. Every batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for catalytic applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment.

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) in a cool, dry, and well-ventilated place. Due to its sensitivity to oxygen and moisture, containers should be kept sealed and purged after each use to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%

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