Dipotassium phosphate

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Di-potassium monohydrogen phosphate
Other names potassium monohydrogen phosphate;
Phosphoric acid,
dipotassium salt;
Dibasic potassium phosphate
Identifiers
CAS number [7758-11-4]
Properties
Molecular formula K2HPO4
Molar mass 174.2 g/mol
Appearance White powder
Density 2.44 g/cm3
Melting point

> 465°C (Dissociates)
Boiling point

N/A
Solubility in water 160 g/100 mL water
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)
Infobox disclaimer and references

Dipotassium phosphate (K2HPO4) - also phosphoric acid, dipotassium salt; dipotassium hydrogen orthophosphate; potassium phosphate, dibasic - is a highly water-soluble salt which is often used as a fertilizer, food additive and buffering agent. It is a common source of phosphorus and potassium.

[edit] Safety

As a food additive, Dipotassium phosphate is on the FDA's Generally recognized as safe, or GRAS, list of substances[1].

[edit] References

  1. ^ Database of Select Committee on GRAS Substances (SCOGS) Reviews. Retrieved on 2008-03-22. (listed as potassium phosphate, dibasic)
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