|Jmol-3D images||Image 1|
|Molar mass||149.09 g mol−1|
|Appearance||White, tetrahedral crystals|
|Solubility in water||58.0 g/100 mL (25 °C)|
|Std enthalpy of
|Other cations||Trisodium phosphate
|Related compounds||Diammonium phosphate
| (what is: / ?)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C or 77 °F, 100 kPa)
It is obtained as a crystalline powder upon mixing concentrated solutions of ammonia and phosphoric acid. It is soluble in water, and the aqueous solution on boiling loses ammonia. There are related acid salts, diammonium phosphate (DAP, (NH4)2HPO4) and monoammonium phosphate (MAP, NH4H2PO4). These can be interconverted by adding more ammonia or phosphoric acid as needed.
Ammonium phosphate is used as an ingredient in some fertilizers as a source of nitrogen. It is also used as a flame retardant in thermoplastic compositions as well as being used in bread making to promote the growth of the yeast.
- Lide, David R. (1998). Handbook of Chemistry and Physics (87 ed.). Boca Raton, FL: CRC Press. pp. 4–42, 5–19. ISBN 0-8493-0594-2.
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