Potassium amide

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Potassium amide
Structural formula showing the component ions of potassium amide
Names
IUPAC name
Potassium amide
Identifiers
17242-52-3 N
EC number 241-275-9
Jmol-3D images Image
PubChem 87015
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
-128.9 kJ/mol
Except where noted otherwise, data is given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
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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[edit]

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.

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