How Is Boric Acid Different From Borax?
Although boric acid and borax both contain boron, they are very different molecular compounds. Their physical and chemical properties, natural occurrence tendencies and uses are all quite unique. Both compounds are toxic if ingested, so use care around pets and children.
Other People Are Reading
-
Physical Properties
-
Boric acid is an odorless white solid at room temperature. Borax exists at room temperature as either a solid or thick liquid and has a pale yellow color. It smells faintly of detergent and produces soap bubbles when mixed with water
Chemical Properties
-
Borax and boric acid have different chemical properties. Boric acid’s molecular formula is BH3O3 and formal chemical name is boron trihydroxide. Borax’s molecular formula is B4Na2O7 - 10H2O. Borax is scientifically named sodium tetraborate decahydrate.
-
Occurrence
-
Borax is a naturally occurring mineral composed of sodium, boron, oxygen and water. It is generally found embedded deep in the ground, along with clay and other substances. In the United States, it is primarily taken from a dry lake bed area called Searles Lake in the Mojave Desert.
Boric acid is obtained by combining borax with sulfuric acid, hydrochloric acid or another strong acid. It can also be found in its gaseous form in certain volcanic areas.
Uses
-
Boric acid has properties that make it an excellent antifungal, antiseptic and antiviral compound. When diluted in water, you can use it as an eyewash or antiseptic. Boric acid is also used in insecticides, electroplating, tanning leathers and cosmetics.
Borax is used in many household applications. It has usefulness as a water softener and a detergent. Borax is used in industrial applications such as welding, as an insecticide and herbicide.
Availability
-
Purchasing borax involves merely a trip to the laundry detergent section of the grocery store. Boric acid is tougher to find, although it can be purchased online and in certain pharmacies.
-
