Complaint
Potassium bromide is a white crystalline powder. It is freely soluble in water. In a dilute aqueous solution, potassium bromide tastes sweet, at higher concentrations it tastes bitter, and tastes salty when the concentration is even higher. These effects are mainly due to the properties of the potassium ion-sodium bromide tastes salty at any concentration. In high concentration, potassium bromide strongly irritates the gastric mucous membrane, causing nausea and sometimes vomiting (a typical effect of all soluble potassium salts).
Typical Physical Properties
Properties | First Photo Grade Specification | Second Photo Grade Specification | Pharmaceutical grade | Tech Grade |
Appearance | White powder | White powder | White powder | White powder |
Assay (%) | 99.50 Min | 99.50 Min | 99.00 Min | 98.50 Min |
Moisture (%) | 0.30 Max | 0.30 Max | 0.50 Max | 1.00 Max |
Chloride (%) | 0.20 Max | 0.20 Max | 0.50Max | 1.50Max |
Sulphate (%) | 0.005 Max | 0.005 Max | 0.01 Max | 0.1 Max |
Bromate (%) | 0.001 Max | 0.003 Max |
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Iodide (%) | 0.001 Max | 0.005 Max |
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P.H(5%) | 6.0 - 7.5 | 5.5 - 7.5 | 5.50 - 8.00 | 5.5 - 10 |
Pb | ≤0.2ppm | ≤4ppm |
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Fe | ≤0.5ppm | ≤4ppm |
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Cu | ≤0.5ppm | ≤1.0ppm |
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Bi | ≤0.2ppm | ≤0.5ppm |
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Application
Potassium bromide (KBr) is a salt, widely used as an anticonvulsant and a sedative. 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.
Recommended Handling
All personnel handling this material must handle it as an industrial chemical, wearing protective equipment and observing the precautions as described in the Material Safety Data Sheet (MSDS).
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