International name: Monopotassium Phosphate Synonyms: MKD, potassium dihydrogenphosphate, monopotassium phosphate

Chemical formula: KH2PRO4

Appearance: colorless crystals

Production: China, Israel

Packaging and storage: 25 kg bags: up to 2 years


Potassium monophosphate is one of the most concentrated phosphate-potassium fertilizers. Completely water soluble, has a high level of assimilation by plants. Increases the yield and quality of fruits and vegetables due to the increase in the content of sugars and vitamins, improves the overwintering of ornamental trees and shrubs. crystalline powder of white color or colorless. Completely soluble in water, it has a high degree of assimilation, increases the production of vitamins and sugars, which positively affects the quality of crop yields. Chemically pure potassium monophosphate are colorless crystals. Form release for agrochemistry powder or granules of light brown or beige color. The marked yellowish color is evidence of the presence of iron or free sulfur impurities; such a device is an industrial marriage.


Potassium monophosphate - compatible with most of the applied mineral fertilizers and pesticides (except for calcium and magnesium) Level pH 4,5. Fertilizer is not hygroscopic and does not cake. It is readily soluble in water. It is quickly absorbed by all parts (aboveground and underground) of plants. Active substances - Phosphorus (P2O5) 52% and Potassium (K2O) 34%. Monopotassium phosphate refers to concentrated phosphoric acid compounds. One of the main properties is the purity, absence, salts of chlorine, sodium, and ions of heavy metals. Upon entering the soil, it immediately decomposes into positively contaminated potassium ions K + and orthophosphoric acid ions H2PO4-, HPO42- and PO43-.


Potassium monophosphate is produced in two ways: 1. The interaction of orthophosphoric acid with an aqueous solution of potassium hydroxide (KOH) or potassium carbonate (K2CO3) at a temperature of 500-600 ° C. 2. Reaction of orthophosphoric acid (H3PO4) with potassium chloride (KCl) at a temperature of 500-600 ° C.


Monocalum phosphate is used as modulators and frequency converters in laser technology. In the food industry, it is used as a component of baking powders, food yeast, liquid detergents, as well as an emulsifier for food products and compounds for the cleaning of petroleum products and a water softener. Used in drip irrigation systems, for replenishing vegetable, fruit, ornamental crops, vineyards on all types of soils and substrates. Mass fraction of phosphorus (P2O5 - 52%, P - 23%) and potassium (K2O - 34%, K - 28%). is high. Therefore, fertilizer is also used for the production of liquid and solid mixtures of mineral fertilizers.
Monokali phosphate is recommended for use on all types of soils in open and protected soil, as root and foliar fertilizing.
How water-soluble fertilizer is recommended for use in systems irrigation farming and for fertigation. The use of fertilizer increases the resistance of plants to infection with fungal diseases.

Security requirements

Monocalum phosphate has a low electrical conductivity, which neutralizes the danger of hard irrigation water. Compatible with most other fertilizers and pesticides. The risk of a leaf burn is low, but it is advisable to irrigate the plants with a solution of potassium monophosphate in the evening. When stored, it does not cake.


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