The properties of solutions produced from the anhydrous and hydrated forms are the same, provided they are at the same pH.

Ethylenediaminetetraacetic acid is produced commercially via the intermediacy of tetrasodium EDTA.

[4][5][6][7] The assignee on 5% of patents at the USPTO containing the substance is the firm Procter and Gamble.

The substance has been used to aid in formulation of a removal product for rust, corrosion, and scale from ferrous metal, copper, brass, and other surfaces.

[8] At a concentration of 6%, it is the main active ingredient in some types of engine coolant system flushes.