Product: Potassium Bromide
CAS NO: 7758-02-3
Molecular formula: KBr
Properties:
White crystal, no smell, taste salty and slightly bitter, Specific gravity 2.75 (25 ºC), Melting point 734 ºC, Boiling point 1435 ºC, soluble in water and glycerin, insoluble in alcohol and ether, slightly deliquescence, neutral matter in the water .
Application:
Used in the manufacture of photographic film developing agent, bleach film thickening agent, color photos. Medicine for a nervine. Also used for the manufacture of special soap, engraving and lithography system crystal industrial synthesis.
Specification:
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Items
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Technical Grade
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Photographic Grade
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Content(Dried Basis) (%)
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99.0 min.
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99.5 min.
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Water (%)
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0.5 max.
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0.2 max.
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Cl (%)
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0.5 max.
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0.5 max.
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Bromate(BrO32) (%)
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0.005 max.
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0.003 max.
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Iodide(I) (%)
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0.005 max.
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0.01 max.
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SO4 (%)
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0.01 max.
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0.005 max.
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PH
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5.5-7.5
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6.0-7.5
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Pb (ppm)
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10 max.
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0.5 max.
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Fe (ppm)
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5 max.
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1 max.
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Cu (ppm)
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1 max.
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20 max.
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Bi (ppm)
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0.5 max.
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5 max.
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Packing: 25KG bag.
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