Potassium Bicarbonate

Potassium bicarbonate is a white, crystalline, slightly alkaline and salty substance. It is produced by the passage of carbon dioxide through an aqueous potassium carbonate solution. It is used in medicine as an antacid. It is registered in the FDA under the section of suitable, safe and effective ingredients for OTC antacids. This FDA denomination classifies potassium bicarbonate as a GRAS ingredient. Potassium hydrogencarbonate is a potassium salt that is the monopotassium salt of carbonic acid. It has fungicidal properties and is used in organic farming for the control of powdery mildew and apple scab. It has a role as a food acidity regulator, a raising agent, a buffer and an antifungal agrochemical. It is a potassium salt and an organic salt. It contains a hydrogencarbonate.

Potassium bicarbonate, Potassium hydrogen carbonatePotassium hydrogencarbonate, Potassium acid carbonate, Monopotassium carbonate, CARBONIC ACID, MONOPOTASSIUM SALT, Carbonic acid, potassium salt (1:1), Potassium bicarbonate (USP)
Chemical Formula
CAS Number


Molar Weight
100.115 g/mol
Melting Point
292 °C Decomposes before melting
Flash Point
2.17 g/cc
Powder (dry), White, Granular, Solid

Uses and Applications

Key applications

  • Baking
  • Food additive
  • Ceramics
  • Fertiliser
  • Agricultural
  • Pharmaceuticals
  • Detergent
  • Animal feed
  • Cosmetic products


  • Pharma
  • Food & Nutrition
  • Water Treatment
  • Agriculture
  • Chemical Processing