1,2-Bis(diphenylphosphino)benzene

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. 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-16174-0
Molecular Formula: C₃₀H₂₄P₂
Molecular Weight: 446.459 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	184-189 °C
Boiling Point	546.9±33.0 °C at 760 mmHg
Flash Point	302.8±31.7 °C
Exact Mass	446.135315
PSA	27.18000
LogP	9.16
Vapor Pressure	0.0±1.4 mmHg at 25°C

Customs & Trade Information

HS Code	2902909090
Summary	2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

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.

What are the upstream and downstream products of 1,2-Bis(diphenylphosphino)benzene?

For 1,2-Bis(diphenylphosphino)benzene, Upstream Products: Diphenylphosphine, 1,2-Dibromobenzene, 1,2-Difluorobenzene; Downstream Products: Diphenylphosphine, Tetrakis(triphenylphosphine)palladium(0), Norbornadiene.

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. "1,2-Bis(diphenylphosphino)benzene (CAS 13991-08-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-16174-0 (accessed 2026-11-09).

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