Description

Ethane-1,2-diylbis(diphenylphosphine oxide) (CAS No. 4141-50-8) is a high-purity organophosphorus compound with the molecular formula C₂₆H₂₄O₂P₂. This versatile chemical is widely used as a ligand in coordination chemistry, catalyst systems, and as a precursor in organic synthesis. Its rigid ethylene-bridged diphenylphosphine oxide structure enhances stability and reactivity in metal complexation, making it invaluable for researchers in materials science and homogeneous catalysis. Available in crystalline powder form, our product is rigorously tested for purity (>98%) and consistency, ensuring optimal performance in demanding applications. Suitable for use under inert conditions, it is packaged in amber glass vials to prevent degradation and moisture absorption.

Properties

• CAS Number: 4141-50-8
• Complexity: 509
• IUPAC Name: [2-diphenylphosphorylethyl(phenyl)phosphoryl]benzene
• InChI: InChI=1S/C26H24O2P2/c27-29(23-13-5-1-6-14-23,24-15-7-2-8-16-24)21-22-30(28,25-17-9-3-10-18-25)26-19-11-4-12-20-26/h1-20H,21-22H2
• InChI Key: YIMUMKVZUBHTPB-UHFFFAOYSA-N
• Exact Mass: 430.12515400
• Molecular Formula: C26H24O2P2
• Molecular Weight: 430.4
• SMILES: C1=CC=C(C=C1)P(=O)(CCP(=O)(C2=CC=CC=C2)C3=CC=CC=C3)C4=CC=CC=C4
• Topological: 34.1
• Monoisotopic Mass: 430.12515400
• Synonyms: Ethane-1,2-diylbis(diphenylphosphine oxide), 813-413-3, 4141-50-8, 2-(DIPHENYLPHOSPHORYL)ETHYL(DIPHENYL)PHOSPHINE OXIDE, (2-diphenylphosphorylethyl-phenyl-phosphoryl)benzene, [2-diphenylphosphorylethyl(phenyl)phosphoryl]benzene, Phosphine oxide, ethylenebis[diphenyl-, CHEMBL304100, SCHEMBL2381086, DTXSID80961665, YIMUMKVZUBHTPB-UHFFFAOYSA-N, 1,2-Bis(diphenylphosphinyl)ethane, Ethylenebis(diphenylphosphine oxide), NSC88641, 1,2-bis(diphenylphosphinoyl)-ethane, NSC-88641, AKOS016034579, 1,2-Bis(diphenylphosphino)ethane dioxide, 1,2-Ethylenebis(diphenylphosphine oxide), 1,2-Ethanediylbis[diphenylphosphine oxide], Phosphine oxide, 1,2-ethanediylbis[diphenyl-, G90569, [2-(Diphenylphosphoryl)ethyl](diphenyl)phosphine oxide, [2-(Diphenylphosphoryl)ethyl](diphenyl)phosphine oxide #, (Ethane-1,2-diyl)bis[oxo(diphenyl)-lambda~5~-phosphane]

Ethane-1,2-diylbis(diphenylphosphine oxide) serves as a key ligand in transition metal catalysis, particularly in cross-coupling reactions and asymmetric hydrogenation. It is employed in the synthesis of advanced polymeric materials and as a stabilizer in photoluminescent complexes. Researchers also utilize it to study phosphine oxide-metal interactions in supramolecular chemistry. Its bifunctional design makes it ideal for constructing chelating frameworks in coordination polymers.

Safety and Hazards

GHS Hazard Statements

• H302+H312+H332 (50%): Harmful if swallowed, in contact with skin or if inhaled [Warning Acute toxicity, oral; acute toxicity, dermal; acute toxicity, inhalation]
• H302 (50%): Harmful if swallowed [Warning Acute toxicity, oral]
• H312 (50%): Harmful in contact with skin [Warning Acute toxicity, dermal]
• H315 (50%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (50%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H332 (50%): Harmful if inhaled [Warning Acute toxicity, inhalation]
• H335 (50%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
• H412 (50%): Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]

Precautionary Statements

• P261, P264, P264+P265, P270, P271, P273, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P317, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

• Acute Tox. 4 (50%)
• Acute Tox. 4 (50%)
• Skin Irrit. 2 (50%)
• Eye Irrit. 2 (50%)
• Acute Tox. 4 (50%)
• STOT SE 3 (50%)
• Aquatic Chronic 3 (50%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.