🔬 Discovery

Bromine

Bromo (Br, Z=35)

Date
1826 · confidence high
Place
Montpellier, France
Credited to
Antoine Jérôme Balard
People
👤 Antoine-Jérôme Balard1802–1876👤 Carl Jacob Löwig1803–1890
Field
Matter & energy

What was discovered

Balard obtained a foul-smelling red liquid by treating the mother liquors of the Montpellier salt marshes with chlorine.

Carl Löwig had isolated it in Heidelberg in 1825 but published later.

What it led to

  • Silver bromide and photography
  • Bromide sedatives
  • Flame retardants and petrol additives

Built on

  • Discovery of iodine
  • Chlorine chemistry

Made possible

  • Bromide photographic plate
  • 1,2-Dibromoethane for leaded petrol

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