Urea phosphate

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Urea phosphate is an organic compound of carbon, hydrogen, nitrogen, oxygen and phosphorus. Its formula is CO(NH₂)₂H₃PO₄. It is made by reacting urea with phosphoric acid.

It is sometimes used as a fertilizer; as such, its NPK formula is 17-44-0. It is soluble in water, and produces a strongly acidic solution. Urea phosphate is sometimes added to blends which contain calcium nitrate and magnesium nitrate to produce water-soluble formulas such as 15-5-15, 13-2-20, and 13-2-13. The acidity of urea phosphate allows Ca, Mg and P to co-exist in solution. Under less acidic conditions, there would be precipitation of Ca-Mg phosphates.

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Categories: Nitrogen compounds | Phosphates | Ureas | Organic compound stubs

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• This page was last modified 15:47, 28 February 2007 by Wikipedia user Edgar181. Based on work by Wikipedia user(s) Beetstra, RyanJones and Angilbas.
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