• Source: Copper(II) arsenate

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.




Uses


Copper arsenate is an insecticide used in agriculture. It is also used as a herbicide, fungicide, and a rodenticide. It is also used as a poison in slug baits.
Copper arsenate can also be a misnomer for copper arsenite, especially when meant as a pigment.




Natural occurrences


Anhydrous copper arsenate, Cu3(AsO4)2, is found in nature as the mineral lammerite. Copper arsenate tetrahydrate, Cu3(AsO4)2·4H2O, occurs naturally as the mineral rollandite.




Related compounds


Copper arsenate hydroxide or basic copper arsenate (Cu(OH)AsO4) is a basic variant with CAS number 16102-92-4. It is found naturally as the mineral olivenite. It is used as an insecticide, fungicide, and miticide. Its use is banned in Thailand since 2001.




See also


Calcium arsenate
Chromated copper arsenate
Lead arsenate
Paris Green (copper acetoarsenite)
Scheele's Green (copper arsenite)




References






External links



National Pollutant Inventory - Copper and compounds fact sheet

Kata Kunci Pencarian:

• Kromium
• Arsen
• Metaloid
• Kamus rumus kimia
• Copper(II) arsenate
• Chromated copper arsenate
• List of copper salts
• Pesticide poisoning
• Lead hydrogen arsenate
• Permethrin
• Index of pesticide articles
• Pest control
• Pyrethrin
• Pyrethrum