An acidity regulator. Borax has many industrial uses including as an added ingredient in washing powder, water softeners and soaps. Borax is also mixed with clay and other substances to produce porcelain enamels used in pottery, and other ceramics. It is also used in the glass industry, the textile industry, in tanning leather, and in the manufacture of paper. It is used on, not in foods as an inorganic herbicide, or insecticide.

Possible risk that this may cause reproductive disorders, based on tests with laboratory animals. Eye and skin irritant. Harmful by ingestion. May be harmful by inhalation.