High - Efficiency Phosphorus - Potassium Compound Fertilizer, the First Choice for Foliar Potassium Fertilizer, Potassium Dihydrogen Phosphate
Chemical Name: Potassium Dihydrogen Phosphate
Alias: Monopotassium Phosphate
Chemical Formula: KH2PO4
CAS NO.: 7778-77-0
Implementation Standard: GB1886.337-2021
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Properties
Colorless transparent crystal, stable in air, soluble in water (22.6g/100ml), insoluble in ethanol, with deliquescence. When heated to 400°C, it melts into a transparent liquid, and solidifies into opaque glassy potassium metaphosphate after cooling.
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Packaging
The regular packaging is 25KG bags, with double-layer plastic inner bags and plastic woven outer bags. It can also be packed in 1000/1100/1200KG ton bags.
Customized packaging and shipping marks are available.
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Specifications
| Serial No. | Indicator Name | National Standard | Internal Control Indicator |
| 1 | Potassium Dihydrogen Phosphate (KH2PO4 on dry basis) %≥ | 98.0 | 99.0 |
| 2 | Phosphorus Pentoxide (P2O5 on dry basis) %≥ | / | 52 |
| 3 | Potassium Oxide (K2O on dry basis) %≥ | / | 34 |
| 4 | Arsenic (AS) %≤ | 0.0003 | 0.0002 |
| 5 | Fluoride (calculated as F) %≤ | 0.001 | 0.0008 |
| 6 | Heavy metals (calculated as Pb) %≤ | 0.001 | 0.0008 |
| 7 | Water-insoluble matter %≤ | 0.2 | 0.008 |
| 8 | Moisture %≤ | 1.0 | 0.1 |
| 9 | Sulfate (calculated as SO4), %≤ | / | 0.005 |
| 10 | Iron (calculated as Fe) %≤ | / | 0.0005 |
| 11 | Lead (calculated as Pb) %≤ | 0.0002 | 0.0002 |
| 12 | PH (30g/L solution) | 4.3 - 4.7 | |
| 13 | Chloride (calculated as Cl), %≤ | / | 0.0005 |
| 14 | Appearance | White crystalline particles |
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