In homogeneous catalysis, the catalyst is in the same phase as the reactant. The number of collisions between reactants and catalyst is at a maximum.In a patent, 1941-30-6, name is Tetrapropylammonium bromide, introducing its new discovery. COA of Formula: C12H28BrN
Partial molar volumes at infinite dilution, V2?, of tetra-n-alkylammonium bromides, R4NBr (R = methyl, ethyl, propyl, butyl, pentyl), have been determined in binary mixtures of water with N,N-dimethylformamide (DMF) over the entire composition range at 298.15 K. Variations of V2? with the mole fraction of DMF as a function of solvent composition and electrolyte are considered. A linear dependence between V2? of the electrolyte and the molecular weight of the tetraalkylammonium cation was found.
The proportionality constant is the rate constant for the particular unimolecular reaction. the reaction rate is directly proportional to the concentration of the reactant. I hope my blog about 1941-30-6 is helpful to your research. COA of Formula: C12H28BrN
Reference：
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI