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, 105-83-9, name is N1-(3-Aminopropyl)-N1-methylpropane-1,3-diamine, introducing its new discovery. Computed Properties of C7H19N3
Two sensing ensembles based on the common squaramide host 2 and the acid-base indicators Cresol Red (CR) and Bromocresol Green (BG) are described. Both couples were characterized in EtOH-H2O mixtures by UV-Vis spectroscopy. Analysis of the binding curves and the corresponding Job plots indicate 1:1 binding between the indicators CR or BG and host 2. The sensing solutions are responsive to sulfate and/or phosphate anions in water, changing the coloration of the solution. As in other indicator displacement assays (IDA), host 2 translates the chemical event into a colorimetric response that is analyzed by spectrophotometry. However, since other anions present in natural waters do not result in color changes, this method allows the quantification of sulfate and phosphate in water. The Royal Society of Chemistry and the Centre National de la Recherche Scientifique 2008.
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 105-83-9 is helpful to your research. Computed Properties of C7H19N3
Reference：
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI