Bis(2-diphenylphosphinoethyl)phenylphosphine

Also known as: ((Phenylphosphinediyl)bis(ethane-2,1-diyl))bis(diphenylphosphine), (Ph2PCH2CH2)2PPh, 1,1,4,7,7-Pentaphenyl-1,4,7-triphosphaheptane, Phenylbis(diphenylphosphinoethyl)phosphine, Bis(2-(diphenylphosphino)ethyl)phenylphosphine, Triphos, Bis(2-diphenylphosphanylethyl)-phenylphosphane, Phenylphosphinidenebis(ethylene)bis(diphenylphosphine)

Bis(2-diphenylphosphinoethyl)phenylphosphine (CAS 23582-02-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C34H33P3 and a molecular weight of 534.54700 g/mol. Key properties include a melting point of 121-126 °C, a boiling point of 645.4ºC at 760 mmHg and a flash point of 367.3ºC. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 23582-02-7
Jingsj CID: J-1993662-6
Molecular Formula: C₃₄H₃₃P₃
Molecular Weight: 534.54700 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	121-126 °C
Boiling Point	645.4ºC at 760 mmHg
Flash Point	367.3ºC
Exact Mass	534.18000
PSA	40.77000
LogP	7.05960
Vapor Pressure	7.77E-16mmHg at 25°C

GHS Safety & Compliance

IrritantSignal word: Warning

H315 — Causes skin irritation
H319 — Causes serious eye irritation
H335 — May cause respiratory irritation

Frequently Asked Questions

What is the CAS number of Bis(2-diphenylphosphinoethyl)phenylphosphine?

The CAS number of Bis(2-diphenylphosphinoethyl)phenylphosphine is 23582-02-7.

What are the molecular formula and molecular weight of Bis(2-diphenylphosphinoethyl)phenylphosphine?

Bis(2-diphenylphosphinoethyl)phenylphosphine has molecular formula C34H33P3 and molecular weight 534.54700 g/mol.

Is Bis(2-diphenylphosphinoethyl)phenylphosphine hazardous?

Bis(2-diphenylphosphinoethyl)phenylphosphine has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of Bis(2-diphenylphosphinoethyl)phenylphosphine?

For Bis(2-diphenylphosphinoethyl)phenylphosphine, Downstream Products: N,N,N',N'',N''-Pentamethyldiethylenetriamine.

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-diphenylphosphinoethyl)phenylphosphine (CAS 23582-02-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1993662-6 (accessed 2026-11-06).

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