Tags: Chemical Compound, Chemical Substance.
Copper arsenate (Cu3(AsO4)2.4H2O or Cu5H2(AsO4)4.2H2O) also called copper orthoarsenate tricopper arsenate cupric arsenate or tricopper orthoarsenate is a blue or bluish-green powder insoluble in water and alcohol and soluble in aqueous ammonium and dilute acids. Its CAS number is 7778-41-8 or 10103-61-4.