white powder,high quality Used in fertilizer, extinguishant.,detergent ammonium carbonate Nameammonium carbonateSynonymsCarbonicacid, diammonium saltDiammonium carbonateMolecular formula (NH4)2CO3Molecular weight96. ... fertilizer, extinguishant.,detergentAnd used in medicine, rubber, fermentation industry etc Ammonium Carbonate used in Fire Extinguishing Agent