Chemical Formula: KH2PO4
Molecular weight: 136.09
Standard: HG2321-1992
Properties:White or colorless crystal, Relative density 2.338, Melting point 252.6°C, and PH value of 1% solution is 4.5.
Uses: Used to manufacture metaphosphate and used in pharmaceuticals or food industry. Used as a high effective compound fertilizer. It contains totally 86% fertilizer elements (K2O+P2O5), used as a basic raw material for N, P and K compound fertilizer. .
Packaging and Storage: Plastic lined woven bag, paper bag, PE bag, net wt 25, 50, 1000Kg, Stored in ventilated and dry place.
Technical index:
No. |
Index name |
Industrial grade |
Food Grade |
1 |
Main assay (as KH2PO4) %>= |
99.0 |
99.0 |
2 |
Phosphorus pentoxide (as P2O5) %>= |
51.50 |
51.50 |
3 |
Oxide (K2O)%>= |
34.0 |
34.0 |
4 |
PH value |
4.4-4.8 |
4.4-4.8 |
5 |
Moisture%<= |
0.2 |
0.2 |
6 |
Heavy Metals (as Pb) %<= |
|
0.001 |
7 |
As %<= |
|
0.0003 |
8 |
Fluoride (as F) %<= |
|
0.005 |
9 |
Water Insoluble Matter%<= |
0.10 |
0.10 |
|
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