E285 is a food additive approved by the European Union (EU). It is a natural acid that acts as an antimicrobial preservative
The common name for E285 is borax. It may also be known as sodium tetraborate or borax decahydrate.
E285 is the sodium salt of boric acid. As well as occurring naturally, E285 can also be produced commercially from boron. It often acts as the source of minerals used in vitamin and mineral products. E285 is also used in the glass and textiles industry and in the tanning of leather.
E285 is thought to be an irritant to the skin and eyes. It is also considered harmful by inhalation and ingestion, and may cause damage to the reproduction system. E285 is banned in the United States.
Examples of food and drink products that sometimes include E285: