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Factory price High quality potassium bromide with best price CAS 7758-02-3
1-9 Kilogram
$30.00
10 -24 Kilogram
$17.00
≥ 25 Kilogram
$15.00
- Item No.TOPMOQ1 Kilogram
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If over 500pcs, mass production will start until pre-production sample has been approved.
Est. 7 days production
Potassium bromide Chemical Properties CAS No.7758-02-3:
| Melting point | 734 °C(lit.) |
| Boiling point | 58.8 °C(lit.) |
| density | 3.119 g/mL at 25 °C(lit.) |
| Fp | 1435°C |
| vapor density | 7.14 (vs air) |
| vapor pressure | 175 mm Hg ( 20 °C) |
| refractive index | 1.559 |
| form | random crystals |
| color | White |
| PH | 5.0-8.8 (25℃, 50mg/mL in H2O) |
| storage temp. | 2-8°C |
| Water Solubility | 650 g/L (20 ºC) |
Potassium bromide is a white crystalline powder. It is freely soluble in water. In a dilute aqueous solution, potassium bromide tastes sweet, at higher concentrations it tastes bitter, and tastes salty when the concentration is even higher. These effects are mainly due to the properties of the potassium ion— Sodium bromide tastes salty at any concentration. In high concentration, potassium bromide strongly irritates the gastric mucous membrane, causing nausea and sometimes vomiting (a typical effect of all soluble potassium salts).
Items of Test | Standard | Result of Test |
Appearance | White crystal | White crystal |
Assay (KBr) | ≥99.0% | 99.42% |
Degree of clearance | Meet requirements | Qualified |
Ph | 5.0-8.0 | 6.17 |
Loss on drying | ≤0.5% | 0.27% |
Chlorides (as Cl) | ≤0.5% | 0.10% |
Sulphates (as SO4) | ≤0.05% | <0.02% |
Arsenic (as As) | ≤5ppm | <5ppm |
Lead (as Pb) | ≤5ppm | <5ppm |
a. Making photographic film and photo emulsion material.
b. Making sedative in medical industry.
c. Making plastic and printing auxiliaries.
d. As chemical analysis reagent, etc
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