Bis(2-diphenylphosphino)ethyl ether

Synonym: Bis(Diphenylphosphinoethyl) Oxide, Oxybisethylenebis(Diphenylphosphine)
CAS Number 50595-38-5 | MDL Number MFCD00233065

Bis(2-diphenylphosphino)ethyl ether Chemical Structure

Product CodeP5385
CAS Number50595-38-5
Assay (purity)98%+
Purity methodby integration NMR
Molecular weight442.47
Appearanceoily yellow liquid
NMRconforms to structure
Molecular formulaC28H28OP2
Linear formulaC28H28OP2

Ereztech manufactures and sells this product in small and bulk volumes. Glass ampules, bottles or metal ampules or bubblers are available for packaging. For additional analytical information or details about purchasing Bis(2-diphenylphosphino)ethyl ether contact us at

Safety information

Signal wordWARNING
Hazard statementsH315, H320, H335
Precautionary statementsP261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501
In TSCA registryNo (sold for research and development usage only)

Certificates of analysis (CoA)

If you don’t see the needed lot of Bis(2-diphenylphosphino)ethyl ether below please contact customer support at

Lot# 031398- Lot# 031398-1

External identifiers for Bis(Diphenylphosphinoethyl) Oxide

Pubchem CID4368796
IUPAC Name2-(2-diphenylphosphanylethoxy)ethyl-diphenylphosphane
InchI IdentifierInChI=1S/C28H28OP2/c1-5-13-25(14-6-1)30(26-15-7-2-8-16-26)23-21-29-22-24-31(27-17-9-3-10-18-27)28-19-11-4-12-20-28/h1-20H,21-24H2

Ereztech synthesizes and sells additional P-compounds.

To purchase Bis(2-diphenylphosphino)ethyl ether contact us at