Molecular formula : H3PO4•CO(NH2)2
Molecular Weight : 158.0
Properties : White crystals, easily soluble in water, but not in organic solution; melting point at 117.3 °C, its water solution is strongly acidic, pH of 1% solution is 1.89, It has got bad heat stability and easily decomposed when heated.
Uses: Mainly used as a high quality feed additive, also for a high quality acid N & P compound fertilizer with urea nitrogen. It is suitable for alkaline soil, also used fire retardant agent, finishing agent for metal, fermentation nourishment, cleaning agent and flux for purifying phosphoric acid.
Packing and storage: 25Kg, 50Kg bags, stored in draughty, dry and clean place, avoid moisture.
Standard executed : Reference standard
Item |
Industrial Grade |
Feed Grade |
Assay, %≥ |
98.0 |
98.0 |
Phosphorus pentoxide, % ≥ |
44.0 |
44.0 |
Total nitrogen ( N ), % ≥ |
17.0 |
17.0 |
pH, |
1.6-2.0 |
1.6-2.0 |
Iron (as Fe2O3 ), % ≤ |
0.25 |
-- |
Heavy metal (as Pb), % ≤ |
-- |
0.001 |
Arsenic (As), % ≤ |
-- |
0.003 |
Fluoride (F), % ≤ |
-- |
0.005 |
Water insoluble, % ≤ |
0.10 |
0.10 |
|