Disodium salt of EDTA is widely accepted across as sequestering / chelating agent, that helps in cleaning and descaling of all acid insoluble sulphates of calcium, barium and strontium, as well as calcium fluorides. Also, it finds extensive usage in removal of iron oxide/hydroxide and calcium carbonate, and if used in synergistic blend with alkaline cleaners, it can also help in removal of organic substances and microbial slimes.