Calcium arsenate
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| Calcium arsenate | |
|---|---|
| Image:Calcium arsenate.jpg | |
| Other names | Calcium orthoarsenate Cucumber dust |
| Identifiers | |
| CAS number | [7778-44-1] |
| Properties | |
| Molecular formula | Ca3(AsO4)2 |
| Molar mass | 398.072 g/mol |
| Appearance | colorless solid |
| Density | 3.620 g/cm3, solid |
| Melting point |
1455°C (decomposes) |
| Solubility in water | 0.13 g/L (25°C) |
| Solubility in Organic solvents | insoluble |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references |
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Calcium arsenate (Ca3(AsO4)2) is an extremely poisonous chemical compound. It was originally used as a pesticide. Its high solubility in water, as compared with lead arsenate, makes it more toxic.
[edit] References
Sunset Western Garden Book, First Edition, 1954
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