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1,2-Bis(diphenylphosphino)ethane

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1,2-Bis(diphenylphosphino)ethane molecular structure
Molecular structure

The Sigma-Aldrich catalog lists 4 grades and pack sizes of 1,2-Bis(diphenylphosphino)ethane (CAS 1663-45-2). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS1663-45-2
Molecular formulaC26H24P2
Molecular weight398.43 g/mol
IUPAC name2-diphenylphosphanylethyl(diphenyl)phosphane
SynonymsEthylenebis(diphenylphosphine) · Bis(diphenylphosphine)ethane · Bis(1,2-diphenylphosphino)ethane · PHOSPHINE, 1,2-ETHANEDIYLBIS[DIPHENYL- · BIS(DIPHENYLPHOSPHINO)ETHANE · ethane-1,2-diylbis(diphenylphosphane)
Safety & Hazards (GHS) Warning
Irritant Irritant
  • H315 Causes skin irritation
  • H319 Causes serious eye irritation
  • H335 May cause respiratory irritation

⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).

Catalog codes and grades

Brand Product / grade Code
Sigma 1,2-BIS(DIPHENYLPHOSPHINO)ETHANE, 97% 106496-10G
106496-50G		 Request Quote
Sigma 1,2-BIS(DIPHENYLPHOSPHINO)ETHANE, 99% 376728-1G
376728-5G		 Request Quote

For information only; specifications and availability are confirmed at quotation. Prices are not listed.