Ammonium Carbonate

Ammonium carbonate is a salt which is used as a leavening agent and also as smelling salt. It is also known as baker's ammonia and was a predecessor to the more modern leavening agents baking soda and baking powder.


Molar Weight96.09 g/mol
Melting Point58°C
FormsPowder, White, Crystalline

Uses and Applications

Key applications

  • Photographic supplies
  • Baking
  • Medicines
  • Tobacco additive
  • Acidifying agent
  • Pharmaceuticals


  • Pharma
  • Cleaning
  • Coatings & Construction
  • Cosmetics
  • Food

Synonyms: diammonium carbonate, E503i, baker's ammonia, salt of hartshorn

Chemical Formula: (NH4)2CO3

CAS Number: 10361-29-2