Chemical name: Tetrapropylammonium Bromide
CAS number: 1941-30-6

product sheet

Desciption and features
Catonium TPAB (Tetrapropylammonium Bromide) is a white powder, its chemical formula is C12H28BrN. TPAB is a quaternary ammonium salt and is used as a structure directing agent in the synthesis of zeolites. Further it is used as phase transfer catalyst  in pharmaceuticals. This material is highly soluble in water and methanol.

Tetrapropylammonium Bromide is also known as TPAB, TPABR, tetrapropylazanium bromide and tripropyl ammonium bromide.

Product information

CAS number1941-30-6
EC number 217-727-6
HS code2923 90 00

Molecular and structural information

Molecular formulaC12H28BrN
Molecular weight266.26 g/mol
Smiles notation[N+](CCC)(CCC)(CCC)CCC.[BrH-]
Structural formula:1941-30-6 Tetrapropylammonium Bromide


AppearanceWhite crystal powder
Assay≥99.00 %
Moisture content≤0.50 %
Amine and Amine salt content≤0.50 %

Physicochemical information

Decomposition temperature>275 ºC
Flash point270 ºC
Melting point260 - 270 ºC
Partition coefficient (log Pow)-0.3 @ 20 ºC
pH value5 -7 (100 g/l, H2O)
Solubility in methanolSoluble
Solubility in water>1.000 g/l @ 20 ºC

CatOnium TPAB (Tetrapropylammonium Bromide) is being used in: zeolites.

Available packaging: 25 fiber drums / 50 KG fiber drums.
Special packaging available on request.

Shipment Info
Europe and United States: Provided CatOnium TPAB is on stock in our local warehouses our lead time is about one week if delivered in 25 KG drums.
Canada, South America, South Africa and other markets can also be served, please contact our sales department for more details.

Store Tetrapropylammonium Bromide in a cool, dry and well-ventilated area and in line with legal requirements.
Keep TPAB away from heat sources and oxidizing agents.

This substance (CAS: 1941-30-6) has been pre-registered under REACH (EC) 1907/2006.

A Material Safety Data Sheets (MSDS) is available for CatOnium TPAB and all other products supplied by Vesta Intracon BV. An MSDS describes the hazards of a product and explains how a product can be safely handled, used and stored. Besides it provides important regulatory and emergency response information for the purchased product.

Tetrapropylammonium Bromide : Disclaimer. This information is supplied solely for informational purposes and Vesta Intracon bv makes no guarantees or warranties, either expressed or implied, with respect to the accuracy and use of this data. All product warranties and guarantees shall be governed by the Standard Terms of Sale. Nothing in this document is legal advice or is a substitute for competent legal advice.