Copper(II) arsenate: Difference between revisions
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| IUPACName = Copper(II) arsenate |
| IUPACName = Copper(II) arsenate |
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Revision as of 10:45, 14 August 2010
| File:Copper(II) arsenate.svg | |
| Names | |
|---|---|
| IUPAC name
Copper(II) arsenate
| |
| Other names
Copper arsenate
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| Identifiers | |
PubChem CID
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CompTox Dashboard (EPA)
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| Properties | |
| Cu3(AsO4)2 | |
| Molar mass | 468.48 g/mol |
| Appearance | blue or bluish green powder |
| Density | 5.2 g/cm3 |
| Melting point | 1100 °C |
| insoluble | |
| Solubility | soluble in ammonia, dilute acids |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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_arsenate.svg){kind=link}
Copper arsenate (Cu3(AsO4)2.4H2O, or Cu5H2(AsO4)4.2H2O), also called copper orthoarsenate or tricopper arsenate or tricopper orthoarsenate, is an insecticide used in agriculture. It is also used as a herbicide, fungicide, and a rodenticide. It is a blue or bluish-green powder insoluble in water and alcohol and soluble in aqueous ammonium and dilute acids. Its CAS number is or .
Copper arsenate hydroxide or basic copper arsenate (Cu(OH)AsO4) is a basic variant with CAS number . 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.[1]
Copper arsenate 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.
See also
- Lead arsenate
- Calcium arsenate
- Paris Green (copper arsenate-acetate)
- Chromated copper arsenate
- Scheele's Green (copper arsenite)