1,2-Bis(diphenylphosphino)benzene

1,2-双(二苯基膦基)苯

Also known as: o-bis(diphenylphosphino)benzene, o-Phenylenebis[diphenylphosphine], dppbz, dppbe, dppben, dppbenz, 1,2-Phenylenebis(diphenylphosphine), (2-diphenylphosphanylphenyl)-diphenylphosphane, 1,2-Bis(diphenylphosphanyl)benzene, Benzene, 1,2-bis(diphenylphosphino)-, Phosphine, 1,1'-(1,2-phenylene)bis[1,1-diphenyl-

1,2-Bis(diphenylphosphino)benzene (CAS 13991-08-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C30H24P2 and a molecular weight of 446.459 g/mol. It is also known as o-bis(diphenylphosphino)benzene, o-Phenylenebis[diphenylphosphine] and dppbz. Key properties include a melting point of 184-189 °C, a boiling point of 546.9±33.0 °C at 760 mmHg and a flash point of 302.8±31.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 13991-08-7
Jingsj CID: J-16174-9
Molecular Formula: C₃₀H₂₄P₂
Chinese Name: 1,2-双(二苯基膦基)苯
Molecular Weight: 446.459 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	184-189 °C
Boiling Point	546.9±33.0 °C at 760 mmHg
Flash Point	302.8±31.7 °C

Frequently Asked Questions

What is the CAS number of 1,2-Bis(diphenylphosphino)benzene?

The CAS number of 1,2-Bis(diphenylphosphino)benzene is 13991-08-7.

What are the molecular formula and molecular weight of 1,2-Bis(diphenylphosphino)benzene?

1,2-Bis(diphenylphosphino)benzene has molecular formula C30H24P2 and molecular weight 446.459 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. "1,2-Bis(diphenylphosphino)benzene (CAS 13991-08-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-16174-9 (accessed 2026-10-23).

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