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

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