ammonium carbonate

noun Chemistry.

1. a water-soluble mixture of ammonium bicarbonate and ammonium carbamate, occurring either as a white powder or in colorless, hard, crystalline masses: used chiefly in the manufacture of smelling salts and baking powder.

noun

1. an unstable pungent soluble white powder that is a double salt of ammonium bicarbonate and ammonium carbamate: used in the manufacture of baking powder, smelling salts, and ammonium compounds. Formula: (NH 4)HCO 3 .(NH 4)CO 2 NH 2
2. an unstable substance that is produced by treating this compound with ammonia. Formula: (NH 4) 2 CO 3

n.

1. A carbonate of ammonium.
2. The double salt of ammonium bicarbonate and ammonium carbamate, produced commercially and used in powder form in smelling salts.