Diethyl sulfate is a highly toxic and likely carcinogenic chemical compound with formula (C2H5)2SO4.
Diethyl sulfate occurs as a colorless liquid with a peppermint odor.
Diethyl sulfate (DES) is an important chemical intermediate to make products for coatings, pharmaceuticals, personal care products, detergents and textiles.
Diethyl sulfate decomposes into ethyl hydrogen sulfate and alcohol upon heating or in hot water.
Diethyl sulfate has been produced commercially in the United States.