Monoamonium Phosphate
Ammonium dihydrogen phosphate (ADP), commonly called monoammonium phosphate (MAP) is a chemical compound with formula NH6PO4.ADP is a major ingredient of agricultural fertilizers and some fire extinguishers. It also has significant uses in optics and electronics.
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- Details
- parameter
Molecular Formula
NH4H2PO4
Appearance and Uses
Monoammonium phosphate is soluble in water and crystallizes from it as the anhydrous salt in the tetragonal system, as elongated prisms or needles. It is practically insoluble in ethanol.
Uses
The largest use of monoammonium phosphate by weight is in agriculture, as an ingredient of fertilizers. The compound is also a component of the ABC powder in some dry chemical fire extinguishers.
| ITEM | SPECIFICATIONS |
| Appearance | White crystalline powder |
| Assay | 98.0% min |
| P2O5 | 61.0% min |
| N | 11.0% min |
| PH | 4.0~4.8 |
| Water | 0.2% max |
| Water insoluble matter | 0.10% max |
