Sodium Chloride - NaCl

What is Sodium Chloride?

Sodium Chloride is an ionic compound with the chemical formula NaCl. It is also known as salt. It occurs in oceans and sea waters. It is also found as rock salt. About 1% to 5 % of seawater is made of NaCl. It is a crystalline solid, white in colour. In its aqueous form, it is called a saline solution.

This compound is water-soluble and consists of sodium cation and chloride anion. The sodium and chloride ion are present in the ratio 1:1. It is widely known as table salt and is mostly used in the food industry for preservation and flavouring. The pH of sodium chloride is 7.

Properties of Sodium Chloride – NaCl

NaCl Sodium Chloride
Molecular Weight/ Molar Mass of sodium chloride 58.44 g/mol
Density of sodium chloride 2.165 g/cm3
Boiling Point of sodium chloride 1,413 °C
Melting Point of sodium chloride 801 °C

Structure of Sodium Chloride – NaCl

Sodium Chloride structure

Structure of Sodium Chloride

Uses of Sodium Chloride (NaCl)

  • It is used in medicine – Saline solution in nasal spray
  • It is used in fire extinguishers
  • It is used in cleansers like shampoo, toothpaste
  • It is used in the soda ash industry to produce sodium carbonate through Solvay process
  • It is used in the paper industry, textile industry and in the construction of roads
  • It is used in water softening

Further Reading:

Learn more about the structure and properties of NaCl from the expert faculties at BYJU’S.

Leave a Comment

Your email address will not be published. Required fields are marked *