|Jmol-3D images||Image 1|
|Molar mass||468.48 g/mol|
|Appearance||blue or bluish green powder|
|Solubility in water||insoluble|
|Solubility||soluble in ammonia, dilute acids|
|EU Index||Not listed|
| (what is: / ?)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Copper arsenate (Cu3(AsO4)2.4H2O, or Cu5H2(AsO4)4.2H2O), also called copper orthoarsenate or tricopper 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 [ ] or [ ].
Natural occurrences 
Related compounds 
Copper arsenate hydroxide or basic copper arsenate (Cu(OH)AsO4) is a basic variant with CAS number [olivenite. It is used as an insecticide, fungicide, and miticide. Its use is banned in Thailand since 2001.]. It is found naturally as the mineral
See also 
- Lead arsenate
- Calcium arsenate
- Paris Green (copper acetoarsenite)
- Chromated copper arsenate
- Scheele's Green (copper arsenite)
|Wikimedia Commons has media related to: Copper(II) arsenate|
- Hawthorne, F. C. (1986). "Lammerite, Cu3(AsO4)2, a modulated close-packed structure". American Mineralogist 71: 206–209.
- Sarp, H.; Černý, R. (2000). "Rollandite, Cu3(AsO4)2·4H2O, a new mineral". Eur. J. Mineral. 12: 1045–1050. doi:10.1127/0935-1221/2000/0012-1045.