(-)-1,2-Bis((2R,5R)-2,5-diphenylphospholano)ethane

(-)-1,2-双((2R,5R)-2,5-二苯基磷)乙烷

Also known as: (-)-1,2-Bis((2R,5R)-2,5-diphenylphospholano)ethane, (R,R)-Ph-BPE, 1,2-Bis[(2R,5R)-2,5-diphenyl-1-phospholanyl]ethane, (2R,2'R,5R,5'R)-1,1'-(1,2-ethanediyl)bis[2,5-diphenylphospholane], (2R,5R)-1-[2-[(2R,5R)-2,5-diphenylphospholan-1-yl]ethyl]-2,5-diphenylphospholane, MFCD07369027

(-)-1,2-Bis((2R,5R)-2,5-diphenylphospholano)ethane (CAS 528565-79-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C34H36P2 and a molecular weight of 506.59700 g/mol. It is also known as (R,R)-Ph-BPE, 1,2-Bis[(2R,5R)-2,5-diphenyl-1-phospholanyl]ethane and (2R,2'R,5R,5'R)-1,1'-(1,2-ethanediyl)bis[2,5-diphenylphospholane]. Key properties include a melting point of 144ºC, a boiling point of 654.2ºC at 760 mmHg and a flash point of 373.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
528565-79-9
Jingsj CID
J-3885-4
Molecular Formula
C34H36P2
Chinese Name
(-)-1,2-双((2R,5R)-2,5-二苯基磷)乙烷
Molecular Weight
506.59700 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point144ºC
Boiling Point654.2ºC at 760 mmHg
Flash Point373.1ºC

Frequently Asked Questions

What is the CAS number of (-)-1,2-Bis((2R,5R)-2,5-diphenylphospholano)ethane?

The CAS number of (-)-1,2-Bis((2R,5R)-2,5-diphenylphospholano)ethane is 528565-79-9.

What are the molecular formula and molecular weight of (-)-1,2-Bis((2R,5R)-2,5-diphenylphospholano)ethane?

(-)-1,2-Bis((2R,5R)-2,5-diphenylphospholano)ethane has molecular formula C34H36P2 and molecular weight 506.59700 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "(-)-1,2-Bis((2R,5R)-2,5-diphenylphospholano)ethane (CAS 528565-79-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3885-4 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.