Ethylene diamine tetraacetic acid tetrasodium (EDTA- 4Na) is a common chemicalpresent in bathroom cleaners, spot removers, wheel cleaners, car-wash soaps,disinfectants and leather cleaners. It's the primary cleaning ingredient in theaforementioned products, binding with stubborn dirt particles and effectivelyremoving them. Tetrasodium EDTA is also a useful anticoagulant and a reliableantidote for metal poisoning.