Is DEF dangerous or corrosive?

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Updated Aug 28, 2014

DEF in non-toxic, non-flammable and is not dangerous. It is actually less hazardous than other fluids such as antifreeze, engine oil or diesel. It is corrosive to copper, brass, zinc and aluminum as well as carbon steel. Your DEF dealer can advise you and ISO 22241 standards should be used when materials come in contact with DEF.