White granular crystal, relative density at 1.619, melting point at 155℃, easily soluble in water, insoluble in alcohol, PH value of 1% solution is 8.0. As a fire-prevention agent for fabric, timber and paper. For food grade it is mainly used as a fermentation agent, nourishment, and so on. Used as a high effective non-chloride N, P compound fertilizer in agriculture.
| ITEM | STANDARD | RESULT |
| MAIN CONTENTS ≥ % | 99 | 99.13 |
| PHOSPHORUS PENTOXIDE ≥ % | 53 | 53.06 |
| N ≥ % | 21 | 21.08 |
| PH VALUE (1% SOLUTION) | 7.6-8.2 | 7.9 |
| MOISTURE ≤ % | 0.2 | 0.1 |
| WATER INSOLUBLE ≤ % | 0.1 | 0.06 |
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