Diammonium Phosphate is one of a series of water-soluble ammonium phosphate salts that can be produced when ammonia reacts with phosphoric acid.



  • DAP is used as a fertilizer.
  • DAP is also used as a yeast nutrient in winemaking and mead brewing; as an additive in some brands of cigarettes purportedly as a nicotine enhancer; to prevent afterglow in matches, in purifying sugar; as a flux for soldering tin, copper, zinc and brass; and to control precipitation of alkali-soluble and acid-insoluble colloidal dyes on wool.


  • It’s made from two common constituents in the fertilizer industry, and its relatively high nutrient content and excellent physical properties make it a popular choice in farming and other industries.


  • No side effects are known.


  • Not known.

Other names

  •  DAP, diammonium hydrogen phosphate


Source: Wikipedia, https://en.wikipedia.org/wiki/Diammonium_phosphate

Cropnutrition, http://www.cropnutrition.com/diammonium-phosphate

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