Calcium arsenate
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Calcium arsenate | |
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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 |
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