Molecular Formula: NH4H2PO4
Molecular Weight: 115.0
Properties: White crystals & granular; relative density at 1.803, melting point at 190℃, easily soluble in water, slightly soluble in alcohol, insoluble in ketone, pH of 1% solution is 4.5
Uses: As a fire-retardant agent for fabric, timber and paper, as well as a fire-retardant coating, and dry powder for fire extinguisher. For food grade it is mainly used as a fermentation agent, nourishment, and so on. Its used as a high effective non-chloride N & P fertilizer in agriculture.
Packing and storage: 25kg, 50kg, 1000kg bags, stored in draughty, dry and clean place, avoid moisture.
Standard executed: Reference standard
Item |
Industrial Grade |
Assay (NH4H2PO4), %≥ |
99.0 |
Phosphorus pentaoxide (as P2O5 ), %≥ |
61.0 |
Nitrogen (as N), %≥ |
11.8 |
pH, 1% solution |
4.4-4.8 |
Moisture, %≤ |
0.20 |
Water insoluble, %≤ |
0.10 |
|