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Tetraphenylphosphonium bromide

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Catalog Number

ACM2751908

Product Name

Structure

CAS

2751-90-8

Product Overview
Usage
Reviews

Synonyms

Tetraphenyl-phosphoniubromide

IUPAC Name

tetraphenylphosphanium;bromide;

Molecular Weight

419.29

Molecular Formula

C24H20BrP

Canonical SMILES

C1=CC=C(C=C1)[P+](C2=CC=CC=C2)(C3=CC=CC=C3)C4=CC=CC=C4.[Br-]

InChI

InChI=1S/C24H20P.BrH/c1-5-13-21(14-6-1)25(22-15-7-2-8-16-22,23-17-9-3-10-18-23)24-19-11-4-12-20-24;/h1-20H;1H/q+1;/p-1

InChI Key

BRKFQVAOMSWFDU-UHFFFAOYSA-M

Melting Point

295-300 °C

Purity

99%

Solubility

Soluble in water

Appearance

White to off-white crystalline powder

Storage

Inert atmosphere, Room Temperature

Complexity

301

Covalently-Bonded Unit Count

EC Number

220-393-4

Exact Mass

418.0486

H-Bond Acceptor

Heavy Atom Count

Monoisotopic Mass

418.0486

NSC Number

115672

Physical State

Off-white solid

Rotatable Bond Count

Topological Polar Surface Area

0 Å²

Application

Tetraphenylphosphonium bromide, also known as TPP, TPP-Br, TPPB, and TPPBr, is a versatile quaternary phosphonium salt presented as a white to off-white crystalline powder. It finds extensive applications in various fields due to its properties. Primarily, it is employed in pharmaceuticals and serves as an accelerator and adhesion promoter for fluoroelastomers. Additionally, it acts as a curative for polyacrylate polymers, effectively extending their shelf life and reducing mold fouling. Highly soluble in water and slightly soluble in alcohols, TPPB plays a significant role as a supporting electrolyte for the electroreduction of buckminsterfullerene. Moreover, it is effective in the extraction of heavy metals from aqueous solutions by forming ion-association complexes. Recently, TPPB has been utilized in the removal of technetium from certain radioactive waste streams, highlighting its importance in environmental and industrial applications.

February 3, 2025

Outstanding Performance in Industrial Applications

Tetraphenylphosphonium bromide (TPPB) excelled in my research on heavy metal extraction. Highly soluble, it efficiently formed ion-association complexes, proving invaluable for our lab's needs. Highly recommended for industrial and pharmaceutical applications!

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CAS
Size
Purity
Price
Quantity
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2751-90-8
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99%
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