POTASSIUM TUNGSTATE
- CAS NO.：7790-60-5
- Empirical Formula: KO4W-
- Molecular Weight: 286.93
- MDL number: MFCD00049668
- EINECS: 232-215-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:18:00
What is POTASSIUM TUNGSTATE?
Chemical properties
Heavy, crystalline powder soluble in water, insoluble in alcohol.
The Uses of POTASSIUM TUNGSTATE
Potassium tungsten oxide is used in solar energy and water treatment applications. It is used as alkaloids precipitating agent, bronze production and in tungsten refining. It is also used as an analytical reagent. Further, it is added to molten carbonate fuel cell to prevent the corrosion of stainless-steel separator and retards the sintering of the anode.
Purification Methods
Crystallise it from hot water (0.7mL/g).
Properties of POTASSIUM TUNGSTATE
| Melting point: | 921 °C (lit.) |
| Density | 3.12 g/mL at 25 °C (lit.) |
| solubility | very soluble in H2O; insoluble in ethanol |
| form | Powder |
| Specific Gravity | 3.12 |
| color | white |
| Water Solubility | Soluble in water. |
| Sensitive | Hygroscopic |
| Merck | 14,7694 |
| Exposure limits | ACGIH: TWA 3 mg/m3 NIOSH: TWA 5 mg/m3; STEL 10 mg/m3 |
| CAS DataBase Reference | 7790-60-5(CAS DataBase Reference) |
| EPA Substance Registry System | Tungstate (WO42-), dipotassium, (T-4)- (7790-60-5) |
Safety information for POTASSIUM TUNGSTATE
Computed Descriptors for POTASSIUM TUNGSTATE
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