Risk - Tank Overows One hazard that we identified in the process of the patent is a high risk of corrosion and explosion from a high chance of build-up of both the product toluylenediainine and dinitrotoluene. This conclusion was determined after questioning the ability of the pipes to handle both bringing in a high volume of reactants and removing a large volume of products as well as doing this over a long period of time. The patent states \"the inventors have recognized that it is essential that less than 1000 ppm of dinitrotoluene accumulates in the reactor\". In conjunction with this conclusion, build-up of toluylenediamine could also cause back up of the whole reactor, risking explosion and a leakage of chemicals