Monopotassium phosphite

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Monopotassium phosphite
Monopotassium phosphite.png
Ball-and-stick model of the component ions
Names
IUPAC name
Potassium hydrogen phosphonate
Other names
Potassium dihydrogen phosphite; Mono potassium phosphite; Monopotassium dihydrogen phosphite; Potassium phosphite monobasic
Identifiers
3D model (Jmol)
ECHA InfoCard 100.116.175
Properties
H2KO3P
Molar mass 120.09 g·mol−1
Appearance white crystals
Density 2.14 g/cm3
2200 g/L
Solubility soluble in ethanol
Structure
monoclinic
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

Monopotassium phosphite in mixture with dipotassium phosphite is primarily a water-soluble fungicide.

Synthesis[edit]

It can be formed by the reaction of a potassium ion (e.g. from potassium hydroxide) with an equimolar amount of phosphorous acid.

See also[edit]