Phytic acid is a mineral chelator that can bind to minerals to form mineral-phytate complex.It can also complex with metal ions bound to the surface of magnesium alloy to form a conversion coating, which can improve the resistance of magnesium alloy towards corrosion.
P 8356 (OTTO) Phytic acid solution, 60% (w/w) in H2O Cas 83-86-3 - used as chelating agent, water softening agent, fermentation accelerator, metal anti-corrosive agent, etc.