NH4CH3CO2, or C2H7NO2, is the chemical formula of ammonium acetate, the ammonium salt of the acetic acid CH3COOH. The molar mass of this chemical compound is 77.08 grams per mole. It exists as white solid crystals, and its density is 1.17 grams per cubic centimeter at 20 degrees Celsius.
Ammonium acetate decomposes into acetamide and water when heated to more than 165 degrees Celsius. Its melting point is between 110 and 114 degrees Celsius, which is a relatively low value for a salt. Its odor is similar to that of acetic acid. It is used in the food industry as an additive and an acidity regulator.