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1,3-Bis(diphenylphosphino)propane

1,3-双(二苯基膦)丙烷

Also known as: dppp, 1,3-Propanediylbis(diphenylphosphine), Trimethylenebis(diphenylphosphine), [3-(Diphenylphosphino)propyl](diphenyl)phosphine, 1,3-Bis(diphenylphosphine)propane

1,3-Bis(diphenylphosphino)propane (CAS 6737-42-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C27H26P2 and a molecular weight of 412.443 g/mol. It is also known as dppp, 1,3-Propanediylbis(diphenylphosphine) and Trimethylenebis(diphenylphosphine). Key properties include a melting point of 63-65 °C(lit.), a boiling point of 529.7±33.0 °C at 760 mmHg and a flash point of 291.5±31.7 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
6737-42-4
Jingsj CID
J-33114-2
Molecular Formula
C27H26P2
Chinese Name
1,3-双(二苯基膦)丙烷
Molecular Weight
412.443 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point63-65 °C(lit.)
Boiling Point529.7±33.0 °C at 760 mmHg
Flash Point291.5±31.7 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 1,3-Bis(diphenylphosphino)propane?

The CAS number of 1,3-Bis(diphenylphosphino)propane is 6737-42-4.

What are the molecular formula and molecular weight of 1,3-Bis(diphenylphosphino)propane?

1,3-Bis(diphenylphosphino)propane has molecular formula C27H26P2 and molecular weight 412.443 g/mol.

Is 1,3-Bis(diphenylphosphino)propane hazardous?

1,3-Bis(diphenylphosphino)propane 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. "1,3-Bis(diphenylphosphino)propane (CAS 6737-42-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33114-2 (accessed 2026-10-22).

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