Potassium Bicarbonate

Potassium bicarbonate is a chemical compound with the formula KHCO3. It is made up of a potassium cation (K+) and a bicarbonate anion (HCO3–).The IUPAC name of this compound is potassium hydrogen carbonate. Under standard conditions, potassium bicarbonate exists as a white solid.

KHCO3 is a monopotassium salt of H2CO3 (carbonic acid). Similar to sodium bicarbonate (baking soda), potassium bicarbonate is alkaline in nature. It is widely used as an antacid since it has the ability to neutralize gastric acid.

At room temperature, KHCO3 exists in the form of white crystals.This compound does not have any distinct odour and is considered to be odourless.At a temperature of 20oC, potassium bicarbonate has a solubility of 22.4g/100mL in water.The acidity of this compound corresponds to 10.329.

  • Properties of KHCO3

Chemical Formula : KHCO3

Molar Mass : 100.115 grams per mole

Density : 2.17 grams per cubic centimeter

Melting Point : 292°C (Starts to Decompose at 100°C)

Boiling Point : Decomposes

  • Uses of Potassium Bicarbonate

Potassium bicarbonate is widely used in organic farming in order to control powdery mildew. 

This compound is used as a leavening agent in baking processes since it can liberate carbon dioxide.

Several dry chemical fire extinguishers use KHCO3 as a component.

Since it is inexpensive, non-toxic, and alkaline, potassium bicarbonate has several applications in pH regulation.

It is used as a buffering agent to control the pH of several medications.

It is also added as an additive in the process of winemaking since it helps regulate the pH.

In order to improve the taste of club soda, KHCO3 can be added to it.

This compound can also be used to neutralize acidic soils to promote agriculture.