Ammonium sulfate (NH4)2SO4), Crystalline Powder, also called ‘Diammonium sulfate’, is an inorganic salt, 

Used in the food industry as a dough conditioner and dough strengthener in flours and breads. Ammonium sulfate supplies nitrogen to the yeast for nourishment aiding in yeast function while promoting product consistency, volume, crumb, and shelf life.

Also used as a fertilizer to lower pH in alkaline soils to promote plant growth