Potassium selenocyanate
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. [1]
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| ChemSpider | |
| ECHA InfoCard | 100.020.292  |
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| Properties | |
| CNKSe | |
| Molar mass | 144.08 |
| Appearance | colorless or white solid |
| Density | 2.35 g/cm3 |
| high | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
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It serves as a source of Se0, e.g., in its reaction with triphenylphosphine to give triphenylphosphine selenide.[2]
References
- Swank, Duane D.; Willett, Roger D. (1965). "The Crystal Structure of Potassium Selenocyanate". Inorganic Chemistry. 4: 499–501. doi:10.1021/ic50026a013.
- Nicpon, Philip; Meek, Devon W. (1967). "Triphenylphosphine Selenide". Inorganic Syntheses. 10: 157–159. doi:10.1002/9780470132418.ch23.
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