Buy Potassium Bromide CAS 7758-02-3

CAS NO. 7758-02-3
Molecular formula: BrK

Potassium Bromide takes the form of white crystalline powder or granules with exceptional solubility in water, molecular formula KBr, molar mass of approximately 119g/mol and distinct salty flavor with no odor – making Potassium Bromide an invaluable source of bromine for many applications.

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Potassium Bromide CAS 7758-02-3 Information


Potassium bromide

Cas No.





MFCD00011358;EINECS 231-830-3;MFCD00010896;Potassium bromide;KBr;Bromide salt of potassium

Molecular weight


Melting Point

734 °C (lit.)

Boiling Point:

1435 °C/1 atm (lit.)


3.119 g/mL at 25 °C(lit.)


White random crystals


H2O: 1 M at 20 °C, clear, colorless


Store at +5°C to +30°C



Potassium Bromide Finds Applications in Numerous Industries and Applications

– Photography: Silver Bromide Removal for Emulsions Historically, potassium bromide was widely used as a fixing agent to remove extra silver bromide from photographic emulsions.

-Bromine source: Potassium Bromide (KBr) is an invaluable source of bromine for chemical synthesis reactions, particularly those used to produce flame retardants, dyes, and pharmaceutical intermediates.

-Oil Drilling: Used extensively within the oil and gas sector, drilling fluids utilize TDC to control viscosity and density to provide for wellbore stability.

-Animal Health: Potassium Bromide can be used in veterinary medicine to control seizures in dogs when other antiepileptic medicines fail.


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