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Tetraphenylphosphonium bromide

Also known as: Tetraphenylphosphonium bromide, Tetraphenylphosphorane hydrobromide, Tetraphenylphosphorus bromide, Phosphonium, tetraphenyl-, bromide, TTB, Tetraphenyl phosphonium bromide, tetraphenylphosphanium bromide

Tetraphenylphosphonium bromide (CAS 2751-90-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C24H20BrP and a molecular weight of 419.293 g/mol. Key properties include a melting point of 295-300 °C(lit.) and a flash point of 260 °C. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.

CAS No.
2751-90-8
Jingsj CID
J-4463-7
Molecular Formula
C24H20BrP
Molecular Weight
419.293 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026
Made to Order

Supplier Offers

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--CN China

Physicochemical Properties

Melting Point295-300 °C(lit.)
Flash Point260 °C
Exact Mass418.048584
PSA13.59000
LogP1.31000

Customs & Trade Information

HS Code2931900090
Summary2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Tetraphenylphosphonium bromide?

The CAS number of Tetraphenylphosphonium bromide is 2751-90-8.

What are the molecular formula and molecular weight of Tetraphenylphosphonium bromide?

Tetraphenylphosphonium bromide has molecular formula C24H20BrP and molecular weight 419.293 g/mol.

Which suppliers offer Tetraphenylphosphonium bromide?

1 supplier(s) listed; request a quote for pricing.

What are the upstream and downstream products of Tetraphenylphosphonium bromide?

For Tetraphenylphosphonium bromide, Upstream Products: Bromobenzene, Triphenylphosphine, Triphenylphosphine dibromide; Downstream Products: 2-Fluorophenol, 4,5,6,7-tetrafluoro-2-methylisoindole-1,3-dione, 1-Fluoro-4-nitrobenzene.

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

Last updated:

How to cite: Jingsj. "Tetraphenylphosphonium bromide (CAS 2751-90-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4463-7 (accessed 2026-11-06).

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