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Monopotassium Phosphate(MKP)
Chemical formula：KH2PO4
Molecular weight：136.09
Other name：Potassium phosphates; Potassium dihydrogen phosphate;
CAS no：7778-77-0
Standard executed: HGT4511-2013(Tech grade） GB 25560-2010（Food grade）
Property：White or colorless crystals, soluble in water easily.
The density is 2.338. The melting point is 252.6℃, and the PH Value of a 1% solution is 4.5.
Technical Specifications：
|
No. |
Specifications |
Tech grade |
Food grade |
|
1 |
(KH2PO4) % ≥ Main content |
99.0 |
99.0 |
|
2 |
(K2O) % ≥ |
34.0 |
34.0 |
|
3 |
（P2O5） % ≥ Phosphorus pentoxide |
52.0 |
52.0 |
|
4 |
PH of 1% solution |
4.3-4.7 |
4.2-4.7 |
|
5 |
Moisture (H2O) % ≤ |
0.5 |
0.2 |
|
6 |
Water insoluble % ≤ |
0.1 |
0.2 |
|
7 |
Chloride, as CI % ≤ |
0.05 |
0.05 |
|
8 |
Arsenic, as AS % ≤ |
0.005 |
0.0003 |
|
9 |
Heavy metal, as Pb % ≤ |
0.005 |
0.001 |
|
10 |
Lron Fe % ≤ |
0.003 |
0.003 |
|
11 |
Fluoride, as F % ≤ |
- |
0.001 |
|
12 |
Lead (As P） % ≤ |
- |
0.0002 |
Uses: Used to manufacture metaphosphate in the medical or food industry. Used as a high effective K and P compound fertilizer. It contains 86% fertilizer elements, used as a basic raw material for N, P, and K compound fertilizer.
Packing：Plastic woven bag. Net weight 25 Kg、 50Kg 、1000Kg, store at a cool, dry, and well-ventilated place.
