Description

Phosphine Oxide, [1,1'-Binaphthalene]-2,2'-Diylbis is a specialized organophosphorus compound featuring a binaphthyl backbone, known for its utility as a ligand and building block in advanced chemical synthesis. Its value lies in its ability to impart unique stereoelectronic properties, making it crucial for developing high-performance materials and catalysts. This product is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries who require sophisticated chiral or electron-donating components.

Application

• As a chiral ligand in asymmetric catalysis for pharmaceutical intermediate synthesis.
• Key precursor or monomer in the development of specialty polymers and advanced organic materials.
• Building block for molecular recognition systems and sensor technologies.
• Component in transition metal complexes used in homogeneous catalysis.
• Research chemical for studying phosphorus-containing compounds and their photophysical properties.
• Intermediate in the synthesis of fine chemicals and functionalized binaphthyl derivatives.

Basic Information

Product Name	Phosphine Oxide, [1,1'-Binaphthalene]-2,2'-Diylbis
CAS No.	86632-33-9
Molecular Formula	C₂₀H₁₄O₂P₂
Molecular Weight	348.27 g/mol
Synonyms	2,2'-Bis(diphenylphosphinyl)-1,1'-binaphthyl; (R)- and (S)-BINAP Oxide; 1,1'-Binaphthalene-2,2'-diylbis(diphenylphosphine oxide); BINAPO; BINAP Dioxide; 2,2'-Bis(diphenylphosphoryl)-1,1'-binaphthyl; (R)-(+)-2,2'-Bis(diphenylphosphinyl)-1,1'-binaphthyl; (S)-(-)-2,2'-Bis(diphenylphosphinyl)-1,1'-binaphthyl
EINECS	Contact for details

Quality Control

Our Phosphine Oxide, [1,1'-Binaphthalene]-2,2'-Diylbis is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is characterized using advanced analytical techniques, including HPLC, NMR, and chiral analysis where applicable, to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Due to its hygroscopic nature, store in a cool, dry place, ideally under an inert atmosphere such as nitrogen or argon to prevent moisture absorption and degradation. Recommended long-term storage temperature is 2-8°C.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Chiral Purity (HPLC)	≥ 99.0% ee (for enantiopure grades)
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.