Intermediates

1,2-Diphosphinoethane

  • CAS No.5518-62-7
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-purity 1,2-diphosphinoethane (CAS 5518-62-7), a valuable organophosphorus building block for pharmaceutical and fine chemical synthesis.

Request Bulk Pricing

Product Technical Details

Product Overview

1,2-Diphosphinoethane (CAS 5518-62-7) is a colorless, transparent organophosphorus compound with the molecular formula C₂H₈P₂ and a molecular weight of 94.03 g/mol. Also known as ethylenediphosphine or bisphosphinoethane, this bifunctional phosphine serves as a critical ligand precursor and synthetic intermediate in advanced organic and medicinal chemistry applications. Its dual phosphine functionality enables chelation with transition metals, making it particularly useful in catalytic systems and complex molecule construction.

Specifications

Molecular FormulaC₂H₈P₂
Molecular Weight94.03 g/mol
AppearanceColorless and transparent liquid
Purity≥98%
Boiling Point109–110°C
Melting Point-62.4°C
Flash Point109–110°C
Packaging25 kg/drum (custom packaging available upon request)
StorageKeep container tightly closed in a cool, dry place using an airtight dispenser to prevent oxidation and moisture exposure.

Industrial Applications

As a specialty organophosphorus intermediate, 1,2-diphosphinoethane is primarily employed in the synthesis of complex pharmaceutical APIs and advanced organic molecules. Key uses include:

  • Serving as a bidentate ligand precursor in transition-metal-catalyzed reactions
  • Facilitating the development of novel catalytic systems for C–C and C–heteroatom bond formation
  • Acting as a building block in the preparation of functionalized phosphines for materials science
  • Supporting research in coordination chemistry and metalloenzyme mimics

Due to its reactivity and air sensitivity, this compound requires careful handling under inert atmosphere conditions. Our high-purity grade ensures consistent performance in demanding synthetic protocols, meeting the stringent requirements of global pharmaceutical and fine chemical manufacturers.