Potasium phosphate
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Potassium Phosphate: Applications and Benefits
Potassium Phosphate in Catalysis
One-Pot Synthesis of 3-Aryl-2-Oxazolidinones
Potassium phosphate has been identified as a highly effective catalyst in the synthesis of 3-aryl-2-oxazolidinones through a one-pot reaction involving amines, epoxides, and atmospheric carbon dioxide. This reaction, conducted in DMF at ambient temperature, utilizes atmospheric CO2 and a wide range of amines, producing high yields with simple work-up procedures. The process is cost-effective and scalable, making it practical for larger-scale synthesis .
Synthesis of α-Aminophosphonates
In another application, potassium dihydrogen phosphate serves as an inexpensive and efficient catalyst for the solvent-free, one-pot synthesis of α-aminophosphonates. This reaction involves triethyl phosphite and imines, generated in situ from aldehydes and amines, yielding the desired products in excellent yields. The methodology is advantageous due to its high yield, short reaction time, and straightforward work-up .
Agricultural Benefits of Potassium Phosphate
Mitigation of Salt Stress in Plants
Potassium phosphate has shown significant benefits in agriculture, particularly in mitigating salt stress in plants such as bell pepper and cucumber. Supplementary potassium phosphate applied to the root zone of salt-stressed plants resulted in increased dry matter, fruit yield, and chlorophyll concentrations. It also reduced electrolyte leakage from leaves and restored potassium and phosphorus levels in plant tissues, demonstrating its potential to alleviate the adverse effects of high salinity on plant growth and productivity .
Industrial Crystallization of Potassium Dihydrogen Phosphate
Continuous Production Using Cooling Disc Crystallizer
The continuous production of potassium dihydrogen phosphate (KDP) crystals has been optimized using a Cooling Disc Crystallizer (CDC). This method allows for stepwise cooling and minimal nucleation, resulting in high-quality crystals with a large mean diameter and narrow size distribution. The CDC's plug flow characteristics and low supersaturation levels contribute to the superior quality of KDP crystals compared to traditional batch operations .
Unique Properties of Potassium Dihydrogen Phosphate
Pyroelectric Coefficient Behavior
Potassium dihydrogen phosphate exhibits unique pyroelectric properties, with a notable change in the sign of its pyroelectric coefficient at 15.3 K. This behavior, previously observed only in a few non-ferroelectric or polycrystalline pyroelectric materials, indicates a complex interaction between temperature and spontaneous polarization in KDP crystals .
Conclusion
Potassium phosphate and its derivatives play crucial roles in various fields, from catalysis and agriculture to industrial crystallization and material science. Their effectiveness as catalysts, ability to mitigate plant stress, and unique physical properties underscore their versatility and importance in both scientific research and practical applications.
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Most relevant research papers on this topic
Potassium phosphate-catalyzed one-pot synthesis of 3-aryl-2-oxazolidinones from epoxides, amines, and atmospheric carbon dioxide
Potassium phosphate-catalyzed one-pot synthesis of 3-aryl-2-oxazolidinones from epoxides, amines, and atmospheric carbon dioxide in DMF provides high yields, simple work-up, inexpensive catalysts, and a practical ten
Ameliorative Effects of Potassium Phosphate on Salt‐Stressed Pepper and Cucumber
Supplementary potassium phosphate can partially mitigate the adverse effects of high salinity on fruit yield and whole plant biomass in salt-stressed pepper and cucumber plants.
Continuous Production of KDP (Potasium Dihydrogen Phosphate) Crystal with the CDC (Cooling Disc Crystallizer)
The CDC (Cooling Disc Crystallizer) can produce KDP crystals with larger mean diameter and smaller distribution, making it a promising industrial-scale production method.
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Potassium dihydrogen phosphate: an inexpensive reagent for the solvent-free, one-pot synthesis of α-aminophosphonates
Potassium dihydrogen phosphate (5 mol%) catalyzes the solvent-free, one-pot synthesis of -aminophosphonates with high yields, short reaction time, and easy work-up.
[Cd2(4,4′-bipy)2(H2O)3(SO4)2]·3H2O: a novel three-dimensional coordination polymer with nonlinear optical properties
The three-dimensional coordination polymer [Cd2(4,4′-bipy)2(H2O)3(SO4)2]3H2O] exhibits nonlinear optical properties and a second-order harmonic generation efficiency of ca. 27% of potasium dihydrogen phosphat
KINETIKA REAKSI PEMBUATAN PUPUK KALIUM SULFAT DARI AIR BATANG PISANG DENGAN AIR KAWAH DIENG
The kinetic parameters of the reaction between banana tree water and Dieng Crater water show that 1.82 and 1.03 are the reaction order and reaction rate constants, respectively.
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