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Trimethylenebis(triphenylphosphonium bromide)

Also known as: 1,3-Bis(triphenylphosphonio)propane dibromide, 1,3-Bis(triphenylphosphonium)propane dibromide, Trimethylenebis(triphenylphosphonium) dibromide, Phosphonium, 1,1'-(1,3-propanediyl)bis[1,1,1-triphenyl-, bromide (1:2), Triphenyl[3-(triphenylphosphonio)propyl]phosphonium dibromide, Propane-1,3-diylbis(triphenylphosphonium) dibromide

Trimethylenebis(triphenylphosphonium bromide) (CAS 7333-67-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C39H38Br2P2 and a molecular weight of 726.45900 g/mol. Key property: a melting point of 333-335ºC. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
7333-67-7
Jingsj CID
J-49386-7
Molecular Formula
C39H38Br2P2
Molecular Weight
726.45900 g/mol
Category
Aromatic Hydrocarbons
Last updated
11/2/2026
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Physicochemical Properties

Melting Point333-335ºC
Exact Mass724.06600
PSA27.18000
LogP1.37270

Frequently Asked Questions

What is the CAS number of Trimethylenebis(triphenylphosphonium bromide)?

The CAS number of Trimethylenebis(triphenylphosphonium bromide) is 7333-67-7.

What are the molecular formula and molecular weight of Trimethylenebis(triphenylphosphonium bromide)?

Trimethylenebis(triphenylphosphonium bromide) has molecular formula C39H38Br2P2 and molecular weight 726.45900 g/mol.

What are the upstream and downstream products of Trimethylenebis(triphenylphosphonium bromide)?

For Trimethylenebis(triphenylphosphonium bromide), Upstream Products: Triphenylphosphine, 1,3-Dibromopropane, (3-Bromopropyl)triphenylphosphonium bromide.

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

Last updated:

How to cite: Jingsj. "Trimethylenebis(triphenylphosphonium bromide) (CAS 7333-67-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-49386-7 (accessed 2026-11-09).

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