Borax formula, also known as sodium borate formula, sodium tetraborate formula or disodium tetraborate formula is given in this article. Borax is a soft, colorless compound of Boron and can be dissolved in water. The main forms of borax are anhydrous and decahydrate salt and sometimes as a pentahydrate salt.

Borax Chemical Formula

The most common form of borax is Borax decahydrate which has 4 Boron atoms, 17 oxygen atoms, 2 sodium atoms, and 20 hydrogen atoms. The Chemical and molecular formula of Borax is given as the following-

 Chemical Formula of Borax Molecular Formula of Borax Na2B4O7• 10H2O   or,   Na2B4O5(OH)4•8H2O H20B4Na2O17

Borax Structural Formula

Borax is mainly used in laundry and other cleaning products. It is also used to prepare boric acid by reacting with hydrochloric acid i.e. HCl. This process was first used by Wilhelm Homberg. Apart from this, borax is also used in food, chemical, and pharmaceutical industry.