Description and features
CatOnium TPAB (Tetrapropylammonium Bromide) is a white powder with the chemical formula C12H28BrN. TPAB, a quaternary ammonium salt, acts as a structure-directing agent in synthesizing zeolites. It also serves as a phase transfer catalyst in pharmaceuticals. This material is highly soluble in water and methanol.
People also refer to Tetrapropylammonium Bromide as TPAB, TPABR, tetrapropylazanium bromide, and tripropyl ammonium bromide.
Availability
Europe and United States: Provided CatOnium TPAB is in stock in our local warehouses our lead time is about one week if delivered in 25 KG drums.
We can also serve Canada, South America, South Africa, and other markets. Please contact our sales department for more details.
Limited availability in the European Union as this product has not been REACH registered (yet).
Product Identification
| CAS number | 1941-30-6 |
| EC number | 217-727-6 |
| HS code | 2923 90 00 |
| Sensitivity | Hygroscopic |
Specification
| Appearance | White to off white crystalline powder |
| Assay | ≥ 99.00 % |
| Colour Hazen | ≤ 50 |
| Free amine hydrobromide | ≤ 0.40 % |
| Water content | ≤ 0.50 % |
Application
Users apply CatOnium TPAB (Tetrapropylammonium Bromide) in zeolites.
Packaging
Available packaging: 25 KG / 50 KG fiber drums.
Special packaging is available on request.
Storage
Store Tetrapropylammonium Bromide in a cool, dry, and well-ventilated area, ensuring compliance with legal requirements. Additionally, keep TPAB away from heat sources and oxidizing agents to maintain safety and prevent potential hazards.
MSDS
A Material Safety Data Sheet (MSDS) is available for CatOnium TPAB and all other products supplied by Vesta Chemicals BV.
An MSDS outlines the hazards of a product and explains how to handle, use, and store the product safely. Besides it provides important regulatory and emergency response information for the purchased product.
Molecular and structural information
| Molecular formula | C12H28BrN |
| Molecular weight | 266.26 g/mol |
| Smiles notation | [N+](CCC)(CCC)(CCC)CCC.[BrH-] |
| InChi key | BGQMOFGZRJUORO-UHFFFAOYSA-M |
| Chemical formula |  |
Physicochemical information
| Boiling point | Not tested |
| Flash point | 270 ºC |
| Melting point | 260 – 270 °C |
| Partition coefficient (log Pow) | < -0,30 @ 20 ºC |
| pH value | 5 -7 (100 g/l, H2O) |
| Solubility in water | Soluble |
| Vapor pressure (MGM) | Not tested |