Potassium Bromide CAS NO.7789-41-5

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Product Information :

Product Name:    Potassium bromide
Synonyms:    bromuredepotassium;Hydrobromic acid potassium salt;KBr;Potassium bromide (KBr);potassiumbromide(kbr);Potassiumbromidecrystalopticdisc,13mmx2mm,polishedbothsides;Potassiumbromidecrystalopticrectangle,38.5mmx19.5mmx4mm,unpolished;Potassiumbromidecrystalopticrectangle,41mmx23mmx6mm,unpolished
CAS:    7758-02-3
MF:    BrK
MW:    119
EINECS:    231-830-3

Product Usage :

Uses    This white crystal was made by the action of bromine on hot potassium hydroxide solution. It is soluble in water but much less so in alcohol. Potassium bromide was used as a secondary halide in combination with an iodide in the paper negative processes, the albumen on glass process, and the wet collodion processes. When silver bromide gelatin emulsion was invented, potassium bromide was the primary halide. It was also used in combination with either bichloride of mercury, copper sulfate, or potassium ferricyanide in photographic bleaches and as a restrainer in alkaline developers used for gelatin plates and developing-out papers.
Uses    manufacture of photographic papers and plates; process engraving.
Uses    Potassium bromide (KBr) is used in photography and as a medical sedative.

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