 It is a solvent for degreasing plastics, optics and on metal surfaces, to remove soldering residues from electronic circuit boards.Its increasing use in the 21st century resulted from the need for a substitute for chlorofluorocarbons and perchloroethylene (tetrachloroethylene) as a dry cleaning solvent.In the EU, 1-bromopropane has been classified as reproductive toxicant per Registration, Evaluation, Authorisation and Restriction of Chemicals, which makes it a "substance of very high concern".