ChemicalBook >> CAS DataBase List >>POTASSIUM TUNGSTATE
POTASSIUM TUNGSTATE
- CAS No.
- 7790-60-5
- Chemical Name:
- POTASSIUM TUNGSTATE
- Synonyms
- Potassium tungstate Dihydrate;state;Potassium tung;Dikaliumwolframat;POTASSIUM TUNGSTATE;POTASSIUM WOLFRAMATE;Potassium tungestate;TUNGSTATEDIPOTASSIUM;Dipotassium tungstate;dipotassium wolframate
- CBNumber:
- CB2214856
- Molecular Formula:
- KO4W-
- Molecular Weight:
- 286.93
- MDL Number:
- MFCD00049668
- MOL File:
- 7790-60-5.mol
- MSDS File:
- SDS
Last updated:2026-05-27 23:59:50
| 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 |
| InChI | 1S/2K.4O.W/q2*+1;;;2*-1; |
| InChIKey | AAQNGTNRWPXMPB-UHFFFAOYSA-N |
| SMILES | [K+].[K+].[O-][W]([O-])(=O)=O |
| CAS DataBase Reference | 7790-60-5(CAS DataBase Reference) |
| FDA UNII | T6VRM0OU6V |
| EPA Substance Registry System | Tungstate (WO42-), dipotassium, (T-4)- (7790-60-5) |
| UNSPSC Code | 12352300 |
| NACRES | NA.23 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS05 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Danger | |||||||||
| Hazard statements | H314 | |||||||||
| Precautionary statements | P260-P264-P280-P301+P330+P331-P303+P361+P353-P363-P304+P340-P310-P321-P305+P351+P338-P405-P501 | |||||||||
| PPE | Eyeshields, Gloves, type N95 (US) | |||||||||
| RIDADR | 3288 | |||||||||
| WGK Germany | 1 | |||||||||
| TSCA | TSCA listed | |||||||||
| HazardClass | 6.1(b) | |||||||||
| PackingGroup | III | |||||||||
| Storage Class | 11 - Combustible Solids | |||||||||
| REACH Registrations | Active | |||||||||
| NFPA 704 |
|
POTASSIUM TUNGSTATE price More Price(8)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 372617 | Potassium tungstate 94% | 7790-60-5 | 100g | $382 | 2026-04-30 | Buy |
| Strem Chemicals | 93-1957 | Potassium tungstate (99.5%-W) (99.5%-W) | 7790-60-5 | 10g | $52 | 2026-04-30 | Buy |
| Strem Chemicals | 93-1957 | Potassium tungstate (99.5%-W) (99.5%-W) | 7790-60-5 | 50g | $209 | 2026-04-30 | Buy |
| American Custom Chemicals Corporation | ING0005389 | POTASSIUM TUNGSTATE 95.00% | 7790-60-5 | 5G | $848.44 | 2021-12-16 | Buy |
| American Custom Chemicals Corporation | ING0005389 | POTASSIUM TUNGSTATE 95.00% | 7790-60-5 | 25G | $1325.54 | 2021-12-16 | Buy |
POTASSIUM TUNGSTATE Chemical Properties, Uses, Production
Chemical Properties
Heavy, crystalline powder soluble in water, insoluble in alcohol.
Uses
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.
reaction suitability
reagent type: catalyst
core: tungsten
Purification Methods
Crystallise it from hot water (0.7mL/g).
POTASSIUM TUNGSTATE Preparation Products And Raw materials
Global Suppliers ( 168)
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| J & K SCIENTIFIC LTD. | 18210857532 18210857532 | jkinfo@jkchemical.com | China | 96815 | 76 |
| Meryer (Shanghai) Chemical Technology Co., Ltd. | 4006356688 18621169109 | market03@meryer.com | China | 40202 | 62 |
| 3B Pharmachem (Wuhan) International Co.,Ltd. | 18930552037 | 3bsc@sina.com | China | 15813 | 69 |
| Alfa Aesar | 400-6106006 | saleschina@alfa-asia.com | China | 30103 | 84 |
| Energy Chemical | 400-0056266 | sales8178@energy-chemical.com | China | 44850 | 61 |
| Shanghai Hanhong Scientific Co.,Ltd. | 021-54306202 13764082696 | info@hanhongsci.com | China | 42917 | 64 |
| Shandong Xiya Chemical Co., Ltd | 13355009207 13355009207 | 3007715519@qq.com | China | 18722 | 57 |
| Sichuan Kulinan Technology Co., Ltd | 400-1166-196 18981987031 | cdhxsj@163.com | China | 11674 | 57 |
| Sinopharm Chemical Reagent Co,Ltd. | 86-21-63210123 | sj_scrc@sinopharm.com | China | 9791 | 79 |
| Dalian Meilun Biotech Co., Ltd. | 0411-62910999 13889544652 | sales@meilune.com | China | 4765 | 58 |
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