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Potassium bromide (K Br) 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, in antiepileptic medication for dogs.
Bromide is so soluble that it does not form saline minerals. After halite (rock salt) precipitates, the remaining brine, called bittern, contains about 2,700 ppm bromine. Bromine continues to concentrate as magnesium and potassium minerals precipitate. The brine remaining after potassium mineral precipitation may contain 6,000 ppm bromine. [1]
Bromide compounds, especially potassium bromide, were frequently used as sedatives in the 19th and early 20th centuries. Their use in over-the-counter sedatives and headache remedies (such as Bromo-Seltzer ) in the United States extended to 1975 when bromides were withdrawn as ingredients due to chronic toxicity . [ 14 ]
The company originally sold only bleach and potassium bromide, achieving a bleach output of 72 tons a day in 1902. [11] Early in the company's history, a group of British manufacturers tried to drive Dow out of the bleach business by cutting prices. [ 12 ]
Potassium bromate is banned from food products in the European Union, Argentina, Brazil, [8] Canada, Nigeria, South Korea, and Peru. It was banned in Sri Lanka in 2001, [9] China in 2005, [10] and India in 2016, [11] but it is allowed in most of the United States. As of May 2023, the U.S. state of New York is considering banning the use of ...
Bromism is the syndrome which results from the long-term consumption of bromine, usually through bromine-based sedatives such as potassium bromide and lithium bromide. Bromism was once a very common disorder, being responsible for 5 to 10% of psychiatric hospital admissions, but is now uncommon since bromide was withdrawn from clinical use in ...
As the Supercenter proved to be a much more profitable experiment, Walmart renamed the stores "Wal-Mart's Hypermart USA" in April 1990, and eventually began either converting them to Supercenter operations or closing them. As of 2023, two of the former Hypermart USA locations still operate as Walmarts while the other two have been demolished.
Murphy USA opened its first stores exclusively adjacent to Walmart properties. As of February 21, 2024, Murphy USA operates 1,700 retail fueling stations in 27 US states and over 1,100 sites are located near Walmart stores. Murphy USA also has 240 Murphy Express branded stores, which are located independently. Murphy Express sites are typically ...