Potassium bromide CAS NO.7758-02-3

potassium bromide

[product name]:potassium bromide

[synonyms]:potassium bromide, for irpotassium bromide, for irpotassium bromide, for ir;potassium bromide, reagent (acs)potassium bromide, reagent (acs)potassium bromide, reagent (acs)

[cas]:7758-02-3

[mf]:brk

[mw]:119

[einecs]:231-830-3

[density]: 3.119 g/ml at 25 °c(lit.)

[assay]:99%

[package]:as customer request

[customer request]: available

[usage]: 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.

manufacture of photographic papers and plates; process engraving.

potassium bromide (kbr) is used in photography and as a medical sedative.

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