Zinc molybdate
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| Zinc molybdate | |
|---|---|
| General | |
| Other names | |
| Molecular formula | ZnMoO4 |
| Molar mass | 225.33 g/mol |
| Appearance | white crystals |
| Crystal structure | tetragonal |
| CAS number | [13767-32-3] |
| Properties | |
| Density and phase | 4.3 g/cm³, solid |
| Solubility | insoluble in water |
| Melting point | >700°C |
| Boiling point | ? |
| Hazards | |
| EU classification | not listed |
| NFPA 704 | |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references |
|
Zinc molybdate (ZnMoO4) is an inorganic chemical compound. It is a white pigment, which can be used as corrosion inhibitor. While highly soluble molybdates like e.g. sodium molybdate are toxic in higher doses, zinc molybdate is essentially non-toxic because of its insolubility in water. Molybdates possess a lower toxicity than chromates or lead salts and are therefore seen as an interesting alternative to these salts for corrosion inhibition.
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