Potassium Bromide CAS NO:7758-02-3 Molecular formula:KBr Properties: White crystal,no smell,taste salty and slightly bitter,Specific gravity 2.75(25ºC),Melting point 734ºC,Boiling point 1435ºC,soluble in water and glycerin,insoluble in alcohol and ether,slightly...
Potassium Bromide
CAS NO: 7758-02-3
Molecular formula: KBr
Properties:
White crystal,no smell,taste salty and slightly bitter,Specific gravity 2.75(25ºC),Melting point 734ºC,Boiling point 1435ºC,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:
Items | Technical Grade | Photographic Grade |
Content(Dried Basis)(%) | 99.0 min. | 99.5 min. |
Water(%) | 0.5 max. | 0.2 max. |
Cl(%) | 0.5 max. | 0.5 max. |
Bromate(BrO32)(%) | 0.005 max. | 0.003 max. |
Iodide(I)(%) | 0.005 max. | 0.01 max. |
SO4(%) | 0.01 max. | 0.005 max. |
PH | 5.5-7.5 | 6.0-7.5 |
Pb(ppm) | 10 max. | 0.5 max. |
Fe(ppm) | 5 max. | 1 max. |
Cu(ppm) | 1 max. | 20 max. |
Bi(ppm) | 0.5 max. | 5 max. |
Packing: 25KG bag.
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