White crystalline powder. Stable in the air. 1G is dissolved in 2.5ml water. Slightly soluble in ethanol, insoluble in acetone. The aqueous solution is acidic. The solubility in water at normal temperature (20 ℃) is 37.4g. Relative density 1.80. The melting point is 190 ℃. The refractive index is 1.525.
It is used as a fire retardant for fertilizer and wood, paper and fabric (such as an ember agent for match stems and candle cores), and also for making medicine. It is also used as feed additive for ruminants.
Specification
|
Specifications |
Index |
|
NH4H2PO4 |
≥99.5% |
|
As |
≤0.0005% |
|
Pb |
≤0.0005% |
|
Na |
≤0.003% |
|
Water insoluble |
≤0.003% |
|
H(50g/L solution，25℃) |
4.0～4.5 |
