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Hydrobromic acid (hbr) can be described as a clear, colorless of faintly yellow, highly acidic corrosive aqueous solution of hydrogen bromide and is a regarded as a strong liquid acid. Hydrobromic acid is one of the strongest mineral acids. Hydrobromic acid is very sensitive to light and heat. Due to the formation of free bromide hydrobromic acid and change from colorless or faintly yellow to amber color. Hydrobromic acid in its concentrated form is normally used in preparation of certain organic chemicals and vitamin a. Hydrobromic acid is also used in preparation of chemical intermediates, synthetic dyes, drugs, perfumes, bromides in photography. It is an important chemical product, which is widely used in refrigeration, pharmacy, and chemical fiber and also be used to produce many kinds of bromide, alkyl, synthetic sedative and anesthetic. Hydrobromic acid is also used in the production of phenoxy compounds, substitution of hydroxyl groups and the hydrobromination of alkenes. Hydrobromic acid is primarily an intermediate in the pharmaceutical and other fine chemical industries. Hydrobromic acid is also used as an important agent in the industrial processes of isomerization, polymerization, hydration, and dehydration, as well as in the classical esterification reactions.
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