Boric acid is a natural mineral acid and is commercially produced by reacting borate salt with sulphuric acid. It is well coordinated with food stuffs as a food additive, it performs as a preservative and regulates ideal acidity. This compound has numerous industrial applications. Boric acid is the best known antiseptic, even though it is used in insecticides. They find application in leather finishing, paints, soaps, wood preserving and in ceramics and glass manufacturing. Borax is an important derivative of this compound often used in regular utensil cleaning agents in washing powders as well as softening of water and soaps.
Its special relevance lies in the manufacturing of sponge cakes. As a cooking ingredient it is added to fix a firm rubbery texture to the food and it preserves the food items. These kinds of food preservatives are mostly present in Chinese foods like hand-pulled noodles and some rice noodles and fun recipes.
It is employed as key ingredient in the manufacturing of chemicals such as borax and other boron compounds. In addition to that boric acid is also used in heat resistant glass, in fireproofing fabrics, in electroplating baths, in leather manufacturing, porcelain enamels and in hardening steels.
Its antiseptic nature along with antiviral activity enhances its application in many areas. The aqueous solutions of boric acid have been used as mouth-washes, eye-drops, skin lotions and cosmetics.