1,2-Bis(diphenylphosphino)ethane

1,2-双(二苯基膦)乙烷

Also known as: DPPE, DIPHOS, Ethylenebis(diphenylphosphine), Bis(diphenylphosphino)ethane, 1,2-Ethanediylbis(diphenylphosphine), 1,2-Bis(diphenylphosphine)ethane, Phosphine, 1,2-ethanediylbis[diphenyl-, Ethylenebis(diphenylphosphine)

CAS No.
1663-45-2
Jingsj CID
J-42249-1
Molecular Formula
C26H24P2
Chinese Name
1,2-双(二苯基膦)乙烷
Molecular Weight
398.416 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point137-142 °C(lit.)
Boiling Point514.8±33.0 °C at 760 mmHg
Flash Point281.7±31.7 °C

Frequently Asked Questions

What is the CAS number of 1,2-Bis(diphenylphosphino)ethane?

1663-45-2

What are the molecular formula and molecular weight of 1,2-Bis(diphenylphosphino)ethane?

C26H24P2, molecular weight 398.416 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026