2-(Di-tert-butylphosphino)biphenyl

2-(二叔丁基膦)联苯

Also known as: (2-Biphenylyl)di-tert-butylphosphine, (2-Biphenyl)di-tert-butylphosphine, 2-(Di-t-butylphosphino)biphenyl, Biphenyl-2-yl(di-tert-butyl)phosphine, Phosphine, [1,1'-biphenyl]-2-ylbis(1,1-dimethylethyl)-, MFCD01862440

2-(Di-tert-butylphosphino)biphenyl (CAS 224311-51-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C20H27P and a molecular weight of 298.40 g/mol. It is also known as (2-Biphenylyl)di-tert-butylphosphine, (2-Biphenyl)di-tert-butylphosphine and 2-(Di-t-butylphosphino)biphenyl. Key properties include a melting point of 86-88 °C(lit.), a boiling point of 405.5±24.0 °C at 760 mmHg, a density of 1 g/cm3 and a flash point of 210.1±29.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 224311-51-7
Jingsj CID: J-33347-0
Molecular Formula: C₂₀H₂₇P
Chinese Name: 2-(二叔丁基膦)联苯
Molecular Weight: 298.40 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	86-88 °C(lit.)
Boiling Point	405.5±24.0 °C at 760 mmHg
Density	1 g/cm3
Flash Point	210.1±29.2 °C

Frequently Asked Questions

What is the CAS number of 2-(Di-tert-butylphosphino)biphenyl?

The CAS number of 2-(Di-tert-butylphosphino)biphenyl is 224311-51-7.

What are the molecular formula and molecular weight of 2-(Di-tert-butylphosphino)biphenyl?

2-(Di-tert-butylphosphino)biphenyl has molecular formula C20H27P and molecular weight 298.40 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2-(Di-tert-butylphosphino)biphenyl (CAS 224311-51-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33347-0 (accessed 2026-10-22).

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