1,2-Dibromotetrafluoroethane (C₂Br₂F₄) is a haloalkane

Haloalkane

The haloalkanes are a group of chemical compounds derived from alkanes containing one or more halogens. They are a subset of the general class of halocarbons, although the distinction is not often made. Haloalkanes are widely used commercially and, consequently, are known under many chemical and...

. It is also known under codenames R-114B2 and Halon

Halon

Halon can refer to:* Haloalkane, or halogenoalkane, a group of chemical compounds consisting of alkanes with linked halogens. In particular, bromine-containing haloalkanes.* Halomethane fire extinguishing systems...

 2402. It is a colorless liquid with a boiling point of 47.2 °C. R-114B2 is occasionally used in fire suppression system

Fire suppression system

Fire suppression systems are used in conjunction with smoke detectors and fire alarm systems to improve and increase public safety. Suppression systems are governed by the codes under the NFPA 13 handbook.-Types:...

s. It is also used as a tracer chemical in Praxair's Seep Sense leak detection system. It is highly volatile, passes through soil to air, and allows detection in the parts-per-quadrillion range.

On November 8, 2008, an accident aboard Russian submarine K-152 Nerpa

Russian submarine K-152 Nerpa

The K-152 Nerpa is a Project 971 Shchuka-B type nuclear-powered attack submarine. Construction was started in 1993, but suspended due to lack of funding. K-152 Nerpa was launched in October 2008 and entered service with the Russian Navy in late 2009...

due to unintentional activation of a fire suppressant system loaded with R-114B2 killed 20 people and injured 21 more.