Bis(2-diphenylphosphinophenyl)ether

Also known as: (Oxybis(2,1-phenylene))bis(diphenylphosphine), (Oxydi-2,1-phenylene)bis(diphenylphosphine), DPEphos, 2,2'-Bis(diphenylphosphino)diphenyl Ether, Bis(2-diphenylphosphinophenyl)ether 98%, Bis[2-(diphenylphosphino)phenyl] Ether, 1-(diphenylphosphino)-2-(2-(diphenylphosphino)phenoxy)benzene, [2-(2-diphenylphosphanylphenoxy)phenyl]diphenylphosphane, Phosphine, 1,1'-(oxydi-2,1-phenylene)bis[1,1-diphenyl-, MFCD00233863

Bis(2-diphenylphosphinophenyl)ether (CAS 166330-10-5) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C36H28OP2 and a molecular weight of 538.554 g/mol. Key properties include a melting point of 184-187 °C(lit.), a boiling point of 608.2±40.0 °C at 760 mmHg and a flash point of 404.9±27.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 166330-10-5
Jingsj CID: J-5531-4
Molecular Formula: C₃₆H₂₈OP₂
Molecular Weight: 538.554 g/mol
Category: Ethers
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	184-187 °C(lit.)
Boiling Point	608.2±40.0 °C at 760 mmHg
Flash Point	404.9±27.6 °C
Exact Mass	538.161560
PSA	36.41000
LogP	11.15
Vapor Pressure	0.0±1.7 mmHg at 25°C

Customs & Trade Information

HS Code	2909309090
Summary	2909309090 other aromatic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Bis(2-diphenylphosphinophenyl)ether?

The CAS number of Bis(2-diphenylphosphinophenyl)ether is 166330-10-5.

What are the molecular formula and molecular weight of Bis(2-diphenylphosphinophenyl)ether?

Bis(2-diphenylphosphinophenyl)ether has molecular formula C36H28OP2 and molecular weight 538.554 g/mol.

What are the upstream and downstream products of Bis(2-diphenylphosphinophenyl)ether?

For Bis(2-diphenylphosphinophenyl)ether, Upstream Products: Diphenyl ether, Chlorodiphenylphosphine; Downstream Products: Dichloro[bis(diphenylphosphinophenyl)ether]palladium(II), porphine.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Bis(2-diphenylphosphinophenyl)ether (CAS 166330-10-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-5531-4 (accessed 2026-11-07).

Data for reference only; verify product details with suppliers before purchase.