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Potassium Bromide 99% ACS Reagent
  • 100g Potassium Bromide 99% ACS Reagent

  • $ 70.25000000
  • 500g Potassium Bromide 99% ACS Reagent

  • $ 140.00000000
  • 2.5kg Potassium Bromide 99% ACS Reagent

  • $ 461.40000000
  • 25kg Potassium Bromide 99% ACS Reagent

  • $ 1284.15000000

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Potassium bromide (KBr) is a salt, widely used as an anticonvulsant and a sedative in the late 19th and early 20th centuries, with over-the-counter use extending to 1975 in the US. Its action is due to the bromide ion (sodium bromide is equally effective). Potassium bromide is used as a veterinary drug, as an antiepileptic medication for dogs. Under standard conditions, potassium bromide is a white crystalline powder. It is freely soluble in water; it is not soluble in acetonitrile. In a dilute aqueous solution, potassium bromide tastes sweet, at higher concentrations it tastes bitter, and tastes salty when the concentration is even higher.

Molar mass
119.002 g/mol
CAS Number
2.750 g/cm3
≥99.0% (ACS Reagent)
Initial boiling point and boiling range
1,435°C (2,615°F) at 1,013.20hPa (759.96mmHg)
Vapour pressure
1hPa (1mmHg) at 795°C (1,463°F)
Water solubility
119 g/l at 20°C (68°F) - completely soluble
Melting point/freezing point
Melting point/range: 734°C (1,353°F)
5.0 - 6 at 119 g/l at 25°C (77°F)
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