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Monopotassium Phospate MKP Potassium Phosphate Monobasic 5kg - 5000g
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Description
Monopotassium Phosphate (MKP)
Other Names: Potassium dihydrogen phosphate, Potassium phosphate monobasic, KH₂PO₄
Chemical Formula: KH₂PO₄
Molar Mass: 136.09 g/mol
CAS Number: 7778-77-0
Appearance: White crystalline powder or granules
Odor: Odorless
Physical and Chemical Properties
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Density: ~2.34 g/cm³
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Melting Point: 253 °C (decomposes)
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Boiling Point: Not applicable (decomposes before boiling)
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Solubility in Water: 22 g/100 mL at 25 °C (highly soluble)
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Solubility in Alcohol: Insoluble
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pH (1% solution at 25°C): ~4.2–4.7 (acidic)
Applications
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Chemical Synthesis: Used as a source of phosphate and potassium in chemical reactions
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Buffering Agent: Applied in buffer solutions for laboratory and industrial processes
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Fertilizer Production: Utilized in formulations requiring controlled potassium and phosphorus release (non-food context)
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Electroplating and Surface Treatment: Stabilizes pH in certain metal treatment baths
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Fire Retardants: Incorporated in flameproofing chemical formulations
Safety Information
This chemical does not meet GHS hazard criteria for 90.7% (794 of 875) of all reports. Pictograms displayed are for 9.3% (81 of 875) of reports that indicate hazard statements.
Handling and Storage
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Handling: Avoid dust formation and contact with eyes or prolonged skin exposure
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Storage: Store in a dry, tightly sealed container in a cool, well-ventilated place. Protect from moisture
Environmental Considerations
Not classified as environmentally hazardous, but excessive phosphate discharge can contribute to eutrophication. Avoid releasing large amounts into waterways.