APChem AI-600 contains a quinoline quat surfactant, an synergistic blend of an acetylenic alcohol replacement, solvents and a highly effective dispersion package that enable it to inhibit corrosion in all hydrochloric (HCl) and hydrochloric-hydrofluoric (HCl-HF) acid concentrations up to 177°C (350°F). The upper temperature limit can be increased by the use of inhibitor intensifiers.It contains no propargyl alcohol and has a high flash point, making the product non-hazardous for DOT purposes