| Chemistry name: | ammonium wolframate; ammonium paratungstate |
| M Formula: | (NH4)6W7O24•6H2O |
| Properties: | |
| White crystals. Soluble in water; insoluble in alcohol. | |
| Derivation: | |
| Interaction of ammonium hydroxide and tungstic acid with subsequent crystallization. | |
| Use: | |
| Preparation of ammonium phosphotungstate and tungsten alloys. | |