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Potassium Dihydrogen Phosphate Monobasic low price MKP 00-52-34 fertilizer 99%min purity Monopotassium Phosphate
Monopotassium Phosphate
Molecular formula: KH2PO4
Molecular weight: 136.09
Properties: white crystal. Relative density is 2.338, and melting point is 252.6 centigrade. It is soluble in water and insoluble in ethanol, and water solution shows acidity. It melts and becomes transparent liquid at 400 centigrade. After refrigerating, it becomes opaque potassium metaphosphate. It is easy to deliquesce.
Standard executed: HG/T 4511-2013 and GB 25560-2010 HG/T 2860-2011
Specifications |
Tech grade |
High purity grade |
Feed grade |
|
Appearance |
White or colorless crystal powder |
|||
Main contents |
%≥ |
98.00 |
99.00 |
98.00 |
Phosphorus pentoxide, as P2O5 |
%≥ |
51.20 |
51.70 |
P-22.3 |
Potassium oxide, as K2O |
%≥ |
33.50 |
34.00 |
K-28 |
Water insoluble |
%≤ |
0.2 |
0.2 |
- |
Arsenic, as As |
%≤ |
0.005 |
0.0003 |
0.001 |
Heavy metal, as Pb |
%≤ |
0.005 |
0.001 |
0.002 |
Lead, as Pb |
%≤ |
- |
0.0002 |
- |
Fluoride, as F |
%≤ |
0.05 |
0.001 |
0.18 |
PH value of 1% solution |
-- |
4.3--4.7 |
4.2--4.7 |
- |
Moisture |
%≤ |
0.2 |
0.2 |
0.5 |
Chloride(as Cl) |
%≤ |
- |
- |
1.0 |
Sulphate(as SO4) |
%≤ |
- |
- |
0.5 |
CAS NO:16788-57-1
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CAS NO:7778-77-0
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