1. Science / Technology

Some terms for ammonium bicarbonate

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How to use ammonium bicarbonate

Ammonium bicarbonate is usually mixed with the liquid to dissolve well and thoroughly before adding dry matter. It should be kept dry and in a sealed container, as it is easy to absorb moisture and accumulate, so place a small amount in warm water to determine if it is still effective.

If it bubbles a lot, you can use it in your recipe. Usually, the substance is mixed with a liquid substance to ensure its dissolution, and then mixed in a dry mixture. In some formulas, it is used together with 30-50% baking soda.


If there is no ammonium bicarbonate, the fermentation powder can be replaced in a ratio of 1:1, 1:2, or 1:3. You can also add some baking soda to the baking powder.

Production method and chemical formula

Today, white powder is chemically produced by heating ammonium chloride or ammonium sulfate with gypsum.

Hirschhornsalz is a mixture of three molecules:
Ammonium bicarbonate (NH4) 2CO3 → 2NH3+CO2+H2O
Ammonium bicarbonate NH4 HCO3 → NH3+CO2+H2O
ammonium bicarbonate (Figure 2) NH4 NH2 CO2 → 2NH3+CO2

These molecules are converted into ammonia, carbon dioxide, and (water) by heating to a temperature of 140 degrees Fahrenheit (60 degrees Celsius) or higher. Before the dough is formed, the gas will lift it up because it contains bubbles generated by stirring. When it rises to the surface of the dough, it will cause it to expand. When the dough solidifies, bubbles still exist, but ammonia, carbon dioxide, and steam escape from the cooked product and disperse in the kitchen air.

Bread ammonia can react with some sugars and amino acids in the dough to produce a very small amount of carcinogen acrylamide. Therefore, excessive consumption is not recommended.

Ammonium bicarbonate formula

If you want to know how to use this ingredient, try making these candies:

Polished ammonia biscuits: These sugar biscuits have a crispy texture due to ammonium bicarbonate.

Swiss German Basler Leckerli: These Swiss German Christmas cookies can be stored for several weeks. This dry dessert is filled with nuts and sweet orange peel.

Spekulatius cookies: This candy is a traditional Christmas cookie in Germany and also known as speculas in the Netherlands. They are traditionally made of wooden molds, but you can also use a biscuit cutting machine instead.

Other terms for ammonium bicarbonate
ABC Trieb (ammonium bicarbonate)
E503ii (EU Food Additives)
Baker's ammonia
Deer horns
Deer antlers
Ammonia bicarbonate
Ammonium bicarbonate
Baking ammonia powder, ammonium bicarbonate
Deer antler salt

INCI: Ammonium bicarbonate
Chemical formula: NH4HCO3
Product CAS number: 1066-33-7
Molar mass: 79.055g/mol


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