Potassium tetrachloridocuprate(II)
| Names | |
|---|---|
| IUPAC name
Potassium tetrachloridocuprate(II) | |
| Other names
Potassium tetrachlorocuprate, potassium copper(II) tetrachloride, dipotassium cupric chloride, mitscherlichite (dihydrate mineral) | |
| Identifiers | |
| |
PubChem CID |
|
| |
| Properties | |
| K2CuCl4 (anhydrous) K2CuCl4·2H2O (dihydrate) | |
| Molar mass | 319.585 g/mol (dihydrate) |
| Appearance | greenish blue crystals (dihydrate) |
| Density | 2.416 g/cm3 at 25 °C (dihydrate) |
| Structure | |
| (dihydrate:) Tetragonal.Point Group: 4/m 2/m 2/m (probable). Crystals, short prismatic along [001], or pyramidal {011}, minute; in stalactitic growths | |
| Hazards | |
| Flash point | Non-flammable |
| Related compounds | |
Other cations |
Cesium tetrachloridocuprate(II) ammonium tetrachloridocuprate(II) rubidium tetrachloridocuprate(II) iron(II) tetrachloridocuprate(II) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references | |
Potassium tetrachloridocuprate(II) is a salt with chemical formula K
2CuCl
4, also written as (K+
)2·[CuCl
4]2−.
The compound is often found as the dihydrate K
2CuCl
4·2H
2O, which is a brilliant greenish blue crystalline solid. This form also occurs naturally as the rare mineral mitscherlichite.
The compound is also called potassium tetrachlorocuprate(II), dipotassium tetrachlorocuprate, potassium copper(II) tetrachloride, potassium cupric chloride and other similar names.