Copper(II) arsenate: Difference between revisions
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| IUPACName = Copper(II) arsenate |
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| OtherNames = Copper arsenate |
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| Section1 = {{Chembox Identifiers |
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| CASNo = 7778-41-8 |
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| CASNo_Ref = {{cascite}} |
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| PubChem = 26065 |
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| Section2 = {{Chembox Properties |
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| Formula = Cu<sub>3</sub>(AsO<sub>4</sub)<sub>2</sub> |
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| MolarMass = 468.48 g/mol |
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| Appearance = blue or bluish green powder |
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| Density = 5.2 g/cm<sup>3</sup> |
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| MeltingPt = 1100 °C |
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| Solubility = insoluble |
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| SolubleOther = soluble in [[ammonia], dilute [[acid]]s |
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| Section7 = {{Chembox Hazards |
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| EUIndex = Not listed |
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| Section8 = {{Chembox Related |
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'''Copper arsenate''' (Cu<sub>3</sub>(AsO<sub>4</sub>)<sub>2</sub>.4H<sub>2</sub>O, or Cu<sub>5</sub>H<sub>2</sub>(AsO<sub>4</sub>)<sub>4</sub>.2H<sub>2</sub>O), 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 {{CASREF|CAS=7778-41-8}} or {{CASREF|CAS=10103-61-4}}. |
'''Copper arsenate''' (Cu<sub>3</sub>(AsO<sub>4</sub>)<sub>2</sub>.4H<sub>2</sub>O, or Cu<sub>5</sub>H<sub>2</sub>(AsO<sub>4</sub>)<sub>4</sub>.2H<sub>2</sub>O), 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 {{CASREF|CAS=7778-41-8}} or {{CASREF|CAS=10103-61-4}}. |
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Revision as of 04:16, 30 May 2009
{{chembox | ImageFile = | ImageSize = | IUPACName = Copper(II) arsenate | OtherNames = Copper arsenate | Section1 = ! colspan=2 style="background: #f8eaba; text-align: center;" |Identifiers
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| Section2 = {{Chembox Properties
| Formula = Cu3(AsO4</sub)2
| MolarMass = 468.48 g/mol
| Appearance = blue or bluish green powder
| Density = 5.2 g/cm3
| MeltingPt = 1100 °C
| BoilingPt =
| Solubility = insoluble
| SolubleOther = soluble in [[ammonia], dilute acids
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| Section7 = | Section8 = }}
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)