Bromium is a chemical element with the symbol Br and atomic number 35. It is a volatile, reddish-brown liquid at room temperature that readily evaporates to form a reddish-brown vapor. Bromium, also known as bromine, is the only nonmetal in its group of the periodic table and is considered to be a halogen. It was discovered independently by two chemists, Carl Jacob Löwig (in 1825) and Antoine Jérôme Balard (in 1826). The name is derived from the Greek word "bromos," meaning "stench," referring to its sharp and disagreeable smell. In Hebrew, bromium is known as ברום (pronounced brom). In French, it is called brome, and in German, it is referred to as Brom. Bromium is naturally found in the Earth's crust and seawater, and it is used in various applications, including flame retardants, dyes, and pharmaceuticals. Its high reactivity makes it a versatile element in chemical synthesis and industrial processes.
Bromium, Inc., was a venture capital–backed startup based in Cupertino, California that worked with virtualization technology. Bromium focused on virtual hardware claiming to reduce or eliminate endpoint computer threats like viruses, malware, and adware. HP Inc. acquired the company in September 2019.