Bromine 250 ML
BROMINE An elementary material, symbol Br. It is a reddish-brown liquid having a stewing point of 138oF (59oC). It gives off very irritating fumes and is highly corrosive. It is one of four elements called halogens, a name derived from Greek words meaning salt producer. They are fluorine, chlorine, iodine, and bromine. They are all chemically active, combining with h and most metals to form halides. Bromine is less active than chlorine but more so than iodine. It is moderately soluble in water. It near occurs free in nature, and it is obtained from natural bromide brines by oxidation and steaming, or by electrolysis. It occurs in seawater to the extent of 65 to 70 parts per million and is extracted. It is marketed 99.7% minimal purity with particular gravity not less than 3.1, but dry elementary bromine, Br2, is marketed 99.8% pure for use as a brominating and oxidizing agent. For these uses, also, br is available as a crystalline powder as dibromodi methyl hydration, containing 55% bromine. Brom 55 is this material. Bromine is also used as FLAME retardation in plastics, although its use as such has been questioned due to environmental concerns.