CAS 7783-28-0PubChem CID 24540
Diammonium hydrogen phosphate
Diammonium hydrogen phosphate is an inorganic phosphate, being the diammonium salt of phosphoric acid. The commercially available fertilizer has an analysis of 18-46-0 (N-P2O5-K2O) and is marketed under the name diammonium phosphate or DAP. It has a role as a fertilizer. It is an inorganic phosphate and an ammonium salt. — ChEBI
- IUPAC name
- diazanium;hydrogen phosphate
- Molecular formula
- H9N2O4P
- Molecular weight
- 132.06 g/mol
- Exact mass
- 132.02999377 Da
- Topological polar surface area
- 85.4 Ų
- Hydrogen-bond donors
- 3
- Hydrogen-bond acceptors
- 4
- Covalent units
- 3
- Defined stereocentres
- 0
Also known as
DIAMMONIUM PHOSPHATEAmmonium phosphate dibasicPhosphoric acid, diammonium saltAkoustan APelorCoaltrol LPA 445Diammonium orthophosphateDiammonium acid phosphate
16 more reported names
K2 (phosphate)Diammonium hydrogen orthophosphateSecondary ammonium phosphateHydrogen diammonium phosphateAmmonium orthophosphate dibasicDiammonium monohydrogen phosphateAmmonium hydrogen phosphateAmmonium phosphate, secondaryPyrozyl war10LGE70FSUAmmonium phosphate ((NH4)2(HPO4))Ammonium phosphoricumSpartan ar 295Ammonium phosphate,dibasicCHEBI:63051RefChem:54175
External database identifiers
- ChEBI:CHEBI:63051
- EPA DTXSID:DTXSID6029705
Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.