Description and features
Catonium MTPB (Methyltriphenylphosphonium Bromide) is white powder, its chemical formula is C19H18BrP. MTPB is a quaternary phosphonium salt mainly used in organic synthesis as a wittig reagent and as a phase transfer catalyst in the production of Powder Coatings. This material is highly soluble in water and polarizable solvents.
Methyltriphenylphosphonium Bromide is also known as MTPB, Triphenyl phosphate bromide and triphenylmethylphosphonium.
Compared to amines, imidazoles and quaternary ammonium salts CatOnium MTPB features considerable better latency and thermal stability. Further it offers a low odor, minimal color formation and controlled reactivity.
Europe and United States: Provided CatOnium MTPB is on stock in our local warehouses our lead time is about one week if delivered in 20 KG drums.
Canada, South America, South Africa and other markets can also be served, please contact our sales department for more details.
|HS code||2931 39 00|
|Appearance||White crystal powder|
|Assay||≥ 98.00 %|
|Ash||≤ 0.30 %|
|Loss on drying||≤ 0.20 %|
|Triphenyl phosphine||≤ 0.50 %|
CatOnium MTPB (Methyltriphenylphosphonium Bromide) is being used in: (powder) coatings.
Available packaging: 20 KG / 25 KG fiber drums.
Special packaging is available on request.
Store Methyltriphenylphosphonium bromide in a cool, dry and well-ventilated area and in line with legal requirements.
Keep MTPB away from heat sources and oxidizing agents.
A Material Safety Data Sheets (MSDS) is available for CatOnium BTBP and all other products supplied by Vesta Chemicals 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.
Molecular and structural information
|Molecular formula||C19H18BrP |
|Molecular weight||357.22 g/mol|
|Bulk density||285 – 320 KG/m3|
|Flash point||>240 ºC|
|Melting point||230 – 234 °C|
|Solubility in water||342 g/l @ 20 ºC|
|Vapor pressure||0.0000002 hPa|