Dipotassium phosphate

Dipotassium phosphate
IUPAC name
Dipotassium hydrogen phosphate
other names
Potassium monohydrogen phosphate
Phosphoric acid dipotassium salt
Potassium phosphate dibasic
Identifiers
CAS number 7758-11-4 Yes check.svgY
PubChem 24450
Properties
Molecular formula K2HPO4
Molar mass 174.2 g/mol
Appearance white powder
deliquescent
Odor odorless
Density 2.44 g/cm3
Melting point

>465 °C decomp.
Solubility in water 167 g/100 mL (20 °C)
Solubility very soluble in alcohol
Hazards
EU Index Not listed
Flash point Non-flammable
Related compounds
Other cations Disodium phosphate
Diammonium phosphate
Related compounds Monopotassium phosphate
Tripotassium phosphate
 Yes check.svgY (what is this?)  (verify)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox 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.

Safety

As a food additive, Dipotassium phosphate is on the FDA's Generally recognized as safe, or GRAS, list of substances1. It is used in non-dairy creamers to prevent coagulation.2

It is sometimes sold as a food additive to help with headaches.3

References

  1. ^ "Database of Select Committee on GRAS Substances (SCOGS) Reviews". http://www.cfsan.fda.gov/~dms/opascogd.html. Retrieved 2008-03-22.  (listed as potassium phosphate, dibasic)
  2. ^ "dipotassium phosphate". http://everything2.com/e2node/dipotassium%2520phosphate. Retrieved 2009-01-06.  (uses: Food Industry)
  3. ^ "BoironUSA". http://www.boironusa.com/products.aspx?pageid=1&pcat=0&pcat2=0&prodid=96. Retrieved 2008-07-09. 


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This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article http://en.wikipedia.org/wiki/Dipotassium_phosphate. Additionally, in some cases elements from this article might be licensed under a different license. Please refer to the original article to check the license status http://en.wikipedia.org/wiki/Dipotassium_phosphate.