Description

Cyclopropylidenebis(Diphenylphosphine) is a specialized organophosphorus ligand with a unique strained-ring backbone. This compound matters for its ability to modulate the steric and electronic properties of transition metal catalysts, leading to enhanced selectivity and activity in critical synthetic transformations. It is primarily needed by researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials sectors for developing novel catalytic processes. CAS NO 96921-88-9.

Application

• As a ligand in homogeneous catalysis for cross-coupling reactions (e.g., Suzuki, Heck, Sonogashira).
• In the asymmetric synthesis of chiral intermediates for active pharmaceutical ingredients (APIs).
• For the development of novel organometallic complexes with tailored reactivity profiles.
• As a key reagent in academic and industrial R&D exploring new catalytic methodologies.
• In polymerization catalysis for the production of specialty polymers and materials.
• For hydrogenation and hydroformylation reactions in fine chemical synthesis.

Basic Information

Product Name	Cyclopropylidenebis(Diphenylphosphine)
CAS No.	96921-88-9
Molecular Formula	C29H26P2
Molecular Weight	436.46 g/mol
Synonyms	1,1'-(Cyclopropylidene)bis[1,1-diphenylphosphine]; Bis(diphenylphosphino)cyclopropane; DCPP; Cyclopropylidenebis(diphenylphosphane); 1,1-Bis(diphenylphosphino)cyclopropane; Cyclopropanediylidenebis[diphenylphosphine]; (Cyclopropylidene)bis(diphenylphosphine)
EINECS	Contact for details

Quality Control

Our Cyclopropylidenebis(Diphenylphosphine) is manufactured under strict quality protocols. Each batch undergoes rigorous analytical testing, including NMR, HPLC, and elemental analysis, to ensure high purity and consistency. Certificates of Analysis (COA) detailing all specifications are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at room temperature (15-25°C) in a cool, dry, and well-ventilated place. This material is easily oxidized and light-sensitive.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details

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