In heterogeneous catalysis, the catalyst is in a different phase from the reactants. HPLC of Formula: C4H5N3, At least one of the reactants interacts with the solid surface in a physical process called adsorption in such a way. 20744-39-2, name is Pyridazin-4-amine. In an article，Which mentioned a new discovery about 20744-39-2
Insecticidal agents characterized as 1-(benzoyl)-3-(6-oxopyridazinyl)urea are provided. Agricultural compositions and an insecticidal method are disclosed.
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 20744-39-2 is helpful to your research. HPLC of Formula: C4H5N3
Reference：
Pyridazine – Wikipedia,
Pyridazine | C4H4N112 – PubChem