| Identifiers | |
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3D model (JSmol)
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| ChemSpider | |
| ECHA InfoCard | 100.020.292 |
| EC Number | 222-320-1 |
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PubChem CID
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| Properties | |
| CNKSe | |
| Molar mass | 144.08 |
| Appearance | colorless or white solid |
| Density | 2.35 g/cm3 |
| high | |
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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| Infobox references | |
Potassium selenocyanate is the inorganic compound with the formula KSeCN. It is a hygroscopic white solid that is soluble in water, decomposing in air to red selenium and potassium cyanide. The compound has been characterized by X-ray crystallography, which confirms that it is a salt. The C-N and C-Se distances are 1.12 and 1.83, respectively, consistent with triple and single bonds.
It serves as a source of Se0, e.g., in its reaction with triphenylphosphine to give triphenylphosphine selenide.