Molecular Formula: NH4H2PO4
Molecular Weight: 115.0
Properties: White granular crystals; relative density at 1.803, melting point at 190℃, easily soluble in water, slightly soluble in alcohol, insoluble in ketone, pH value of 1% solution is 4.5
Uses: In food industry it mainly used as fermentation agent, nourishment, expanding agent. Also for a fire-retardant agent of fabric, timber and paper, as well as a fire-retardant coating, and dry powder of fire extinguisher in industry.
Packing and storage: 25Kg, 50Kg, 1000Kg bagged. Stored in draughty, dry and clean place, avoid moisture.
Standard executed: Reference standard
|
Item |
Food Grade |
|
Assay (NH4H2PO4), %≥ |
98.0 |
|
Phosphorus pentaoxide(as P2O5 ), %≥ |
60.5 |
|
Nitrogen (as N), %≥ |
11.8 |
|
pH-value, |
4.4-4.8 |
|
Moisture, %≤ |
0.20 |
|
Heavy metal (Pb), %≤ |
0.001 |
|
Arsenic (As), %≤ |
0.0003 |
|
Fluoride (as F), %≤ |
0.005 |
|
Water insoluble, %≤ |
0.10 |