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Tris[2-(diphenylphosphino)ethyl]phosphine

三[2-(二苯基膦)乙基]膦

Also known as: TETRAPHOS-2, TETRAPHOS-II, Tetraphos-Li, Tris(diphenylphosphinoethyl)phosphine, Phosphinetriyltrisethylenetris(diphenylphosphine), (Phosphinetriyl)tris(ethylene)tris(diphenylphosphine), tris(2-diphenylphosphanylethyl)phosphane, Tris[2-(diphenylphosphino)ethyl]phosphine,97%, Tris[2-(diphenylphosphino)ethyl]phosphine, 97% 1GR, EINECS 245-754-3, MFCD00010009

Tris[2-(diphenylphosphino)ethyl]phosphine (CAS 23582-03-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C42H42P4 and a molecular weight of 670.67800 g/mol. It is also known as TETRAPHOS-2, TETRAPHOS-II and Tetraphos-Li. Key properties include a melting point of 134-135ºC(lit.), a boiling point of 740.1ºC at 760 mmHg and a flash point of 429.4ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
23582-03-8
Jingsj CID
J-31094-7
Molecular Formula
C42H42P4
Chinese Name
三[2-(二苯基膦)乙基]膦
Molecular Weight
670.67800 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point134-135ºC(lit.)
Boiling Point740.1ºC at 760 mmHg
Flash Point429.4ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Tris[2-(diphenylphosphino)ethyl]phosphine?

The CAS number of Tris[2-(diphenylphosphino)ethyl]phosphine is 23582-03-8.

What are the molecular formula and molecular weight of Tris[2-(diphenylphosphino)ethyl]phosphine?

Tris[2-(diphenylphosphino)ethyl]phosphine has molecular formula C42H42P4 and molecular weight 670.67800 g/mol.

Is Tris[2-(diphenylphosphino)ethyl]phosphine hazardous?

Tris[2-(diphenylphosphino)ethyl]phosphine has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "Tris[2-(diphenylphosphino)ethyl]phosphine (CAS 23582-03-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-31094-7 (accessed 2026-10-24).

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