Potassium amide
Names | |
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IUPAC name
Potassium amide | |
Identifiers | |
17242-52-3 | |
3D model (Jmol) | Interactive image |
ChemSpider | 78490 |
ECHA InfoCard | 100.037.508 |
EC Number | 241-275-9 |
PubChem | 87015 |
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Properties | |
H2KN | |
Molar mass | 55.12 g·mol−1 |
Appearance | yellowish brown solid |
Odor | ammonia-like |
Density | 1.57 g/cm 3 |
Melting point | 338 °C (640 °F; 611 K) |
reacts | |
Solubility | ammonia: 3.6 g/100 mL |
Thermochemistry | |
Std enthalpy of formation (ΔfH |
-128.9 kJ/mol |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
verify (what is ?) | |
Infobox references | |
Potassium amide is an inorganic compound with the chemical formula KNH2, i.e. it is composed of a potassium cation, and the conjugate base of ammonia. It is a yellowish brown solid. It is used as a pesticide.
Production
Potassium amide is produced by the reaction of gaseous ammonia with metallic potassium. Alternatively, it can be produced by the reaction of potassium oxide with liquid ammonia at -50 °C.
See also
References
External links
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