1,3-Dibromopropane is a halogen

Halogen

The halogens or halogen elements are a series of nonmetal elements from Group 17 IUPAC Style of the periodic table, comprising fluorine , chlorine , bromine , iodine , and astatine...

ated hydrocarbon

Hydrocarbon

In organic chemistry, a hydrocarbon is an organic compound consisting entirely of hydrogen and carbon. Hydrocarbons from which one hydrogen atom has been removed are functional groups, called hydrocarbyls....

. When at room temperature, it is a colorless to light-brown liquid. Synthetically, it is very useful to form C₃-bridged compounds such as through C-N coupling reactions.

1,3-Dibromopropane was used in the first cyclopropane

Cyclopropane

Cyclopropane is a cycloalkane molecule with the molecular formula C3H6, consisting of three carbon atoms linked to each other to form a ring, with each carbon atom bearing two hydrogen atoms...

 synthesis in 1881, the Freund reaction.

Synthesis

1,3-Dibromopropane can be prepared via the free radical addition

Free radical addition

Free radical addition is an addition reaction in organic chemistry involving free radicals. The addition may occur between a radical and a non-radical, or between two radicals....

 between allyl bromide

Allyl bromide

Allyl bromide is an organic halide. Its refractive index is 1.4697 . Allyl bromide is an alkylating agent used in synthesis of polymers, pharmaceuticals, allyls and other organic compounds. Physically, allyl bromide is a clear liquid with an intense, acrid, and persistent smell...

 and hydrogen bromide

Hydrogen bromide

Hydrogen bromide is the diatomic molecule HBr. HBr is a gas at standard conditions. Hydrobromic acid forms upon dissolving HBr in water. Conversely, HBr can be liberated from hydrobromic acid solutions with the addition of a dehydration agent, but not by distillation. Hydrogen bromide and...

.