Sodium Hydrogen Carbonate, Formula, Chemical Properties, Preparation, Uses

Sodium Hydrogen Carbonate

Sodium hydrogen carbonate is a chemical compound that has consists of a sodium cation and a bicarbonate anion. The mineral has a slightly alkaline taste but offers appears as a fine powder. It is weakly basic oxidizing agent. It is an alkali metal salt and has a high reactivity with water.  The systematic IUPAC name is known as sodium hydrogen carbonate. The chemical or molecular formula of sodium hydrogen carbonate is NaHCO3. It is also known as baking soda or bicarbonate of soda.

Structural Formula

This is the structural formula of the sodium hydrogen carbonate:

Sodium Hydrogen Carbonate

Molecular Formula

The chemical formula of the sodium hydrogen carbonate is NaHCO3. It has consists of one sodium and two oxygen atoms.

How it Can Be Prepared

It can be prepared by the reaction of sodium chloride is treated along with the water and carbon dioxide and it gives the product of sodium bicarbonate and byproduct is the hydrochloric acid. It is an alkaline and could be used in the baking powder to avoid a metallic taste. It slowly reacts at the room temperatures. It can be decomposed at above the threshold limit. The following chemical reaction is given as follows.

Learn More:   Potassium Hydroxide, Formula, Preparation Method, Chemical Properties

Na2CO3 + H2O + CO2 → 2 NaHCO3 + HCl

Physical Properties

Melting point 50C
Boiling point Decomposes
Molecular weight 84.006g/mol
Density 2.20g/cm3
Solubility in water 69g/100mL
Refractive index 1.377
Crystal structure Monoclinic
Magnetic susceptibility -15.6×10-6cm3/mol
Appearance White crystals
Solubility Insoluble in alcohol
Odor Odourless
Acidity 6.34


Chemical Properties

Sodium bicarbonate is an incombustible organic compounds. It avoids the corrosive inhibitor to the metals. It leads to severe eye irritation when it is contact with the humans. It appears as white crystals. It is insoluble in alcohol. The melting point is very low and it decomposed at the boiling point.


Sodium hydrogen carbonate is used as a disinfectant. It is used in medicine prevention of chemotherapy and also used for washing the kitchen products. It is mainly used for cooking. Sodium hydrogen carbonate is used to clean the mouth and teeth.


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