halon

a compound in which the hydrogen atoms of a hydrocarbon have been replaced by bromine and other halogen atoms; very stable; used in fire extinguishers although it is thought to release bromine that depletes the ozone layer

आगबुझाने के लिये"halon"भरे हुए अग्नि शमन यंत्र का उपयोग किया गया.

Total phase - out of halon production and consumption in 2003.