| Other: |
Molecular weight: 102.90
Physicochemical properties: Colorless cubic crystal or white granular powder, belonging to equiaxed crystal system, odorless, salty and slightly bitter. It absorbs moisture in the air and agglomerates, but it does not deliquesce. Specific gravity 3.203 (25℃), melting point 755℃, boiling point 1390℃, soluble in water, slightly soluble in alcohol, its aqueous solution is neutral, conductive
Uses: used as a diuretic, sedative, have the effect that strengthens cerebral cortex to restrain a process. It is used as a brominating agent in industries such as synthetic fragrances, pharmaceuticals and dyes, and also as a chemical reagent and photographic industry.
Product packaging: 25kg composite kraft paper bag, carton or cardboard drum or according to customer needs.
| Item |
Index |
| Photographic Grade |
Pharmaceutical Grade |
| Content %≥ |
99.5 |
99.0 |
| Chloride (Cl) %≤ |
0.1 |
0.2 |
| Heavy metal (Pb) %≤ |
0.0003 |
0.001 |
| Water insoluble matter %≤ |
0.0002 |
0.005 |
| Bromate (BrO3) %≤ |
0.001 |
0.002 |
| Iodide (I) %≤ |
0.01 |
0.02 |
| Sulfate (SO4) %≤ |
0.002 |
0.003 |
| Nitrogen compound(N) %≤ |
0.0005 |
0.001 |
| Magnesium (Mg) %≤ |
0.0002 |
0.0005 |
| Calcium (Ca) %≤ |
0.0002 |
0.003 |
| Iron (Fe) %≤ |
0.0002 |
0.0003 |
| Barium (Ba) %≤ |
0.001 |
0.002 |
| Mercury (Hg) %≤ |
0.001 |
0.002 |
| Free base (NaOH) %≤ |
0.01 |
0.01 |
| Free acid (HCl) %≤ |
0.005 |
0.005 |
| PH value |
6.0-8.0 |
6.0-8.0 |
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