Ammonium Bicarbonate
molecular structure · PubChem
AKA: 1066-33-7, Ammonium hydrogencarbonate, Ammonium hydrogen carbonate, Monoammonium carbonate, Carbonic acid, Monoammonium salt, Acid ammonium carbonate, Ammonium acid carbonate, Ammonium hydrogencarbonat, Ammonium bicarbonate (1:1)
Synthetic
Clean
Ammonium bicarbonate appears as a white crystalline solid having the odor of ammonia. Soluble in water. The primary hazard is the threat to the environment. Immediate steps should be taken to limit spread to the environment. Used to make other ammonium compounds, in food processing, and for other uses.
Solubility Freely soluble in water. Insoluble in ethanol
Formula
CH5NO3
Mol. Weight
79.06
CAS #
1066-33-7
Form
Powder
State
Ammonium bicarbonate appears as a white crystalline solid having the odor of ammonia. Soluble in water. The primary hazard is the threat to the environment. Immediate steps should be taken to limit sp
Functions
Buffering
Stabilizes pH
Reduces Inflammation
Locks In Moisture
Traditional Use
Used as a leavening agent in baking since the 18th century; adapted for cosmetic use in the 20th century as a pH buffer and gentle exfoliating agent. Also known as ammonium hydrogen carbonate.
Skin Types
●all-skin-types, gentle
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR