calcium arsenate

calcium arsenate
: an arsenate of calcium [as the normal tricalcium arsenate Ca3(AsO4)2 or a basic salt 3Ca3(AsO4)2=Ca(OH)2]; especially : a commercial mixture obtained as a white powder usually by heating arsenic pentoxide and calcium hydroxide in water and used as an insecticide especially in the form of a dust

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a white, slightly water-soluble, poisonous powder, Ca3(AsO4)2, used as an insecticide and as a germicide.

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calcium arsenate,
a white, powdery compound, slightly soluble in water and in dilute acids, used as an insecticide, and extremely poisonous to human beings. Formula: Ca3(AsO4)2

Useful english dictionary. 2012.

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