Monoammonium phosphate
CAS 7722-76-1H6NO4P115.03 g/mol
Ammonium dihydrogen phosphate is the ammonium salt of phosphoric acid (molar ratio 1:1). It has a role as a fertilizer. It contains a dihydrogenphosphate.
IUPAC: azanium dihydrogen phosphate
PubChem
Physical & Chemical Properties
| Melting Point | 190 °C |
| Density | 1.80 g/cu cm |
| Solubility | Slightly soluble in ethanol; insoluble in acetone |
| pH | pH of 0.2 Molar aq soln: 4.2 |
| Appearance | Dry Powder, Pellets or Large Crystals; Pellets or Large Crystals; NKRA; Other Solid; Liquid; Dry Powder |
Data: PubChem · Last updated: 4/20/2026
GHS Classification
No GHS classification data available.
Classification data is sourced from ECHA.
Regulatory Compliance
TSCA
Listed
note: Status based on EPA TSCA Active Inventory · inventory name: TSCA Chemical Substance Inventory
View sourceGlobal Trade Intelligence
No trade flow data available for this chemical.
HS Code(s): 3105
Data: UN Comtrade
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