Monopotassium Phosphate

Product: Monopotassium phosphate

 

Other names: Potassiumphosphate monobasic, Phosphoric acid, monopotassium salt

 

Molecular Formula: KH2PO4

 

CAS number: 7778-77-0

 

Appearance: White powder deliquescent

 

Solubility in water: 33 g/100 ml

 

Solubility in alcohol: insoluble in alcohol

 

Brief introduction:

Monopotassium phosphate (also potassium dihydrogen phosphate, KDP, or monobasic potassium

phosphate, MKP) -- KH2PO4 -- is a soluble salt which is used as a fertilizer, a food additive and a

fungicide. It is a source of phosphorus and potassium. It is also a buffering agent. When used in

fertilizer mixtures with urea and ammonium phosphates, it minimizes escape of ammonia by keeping the pHat a relatively lowlevel.

Fertilizer grade MKP contains the equivalent of 52% P2O5 and 34%K2O, and is labeled 0-52-34. MKP is often used as a nutrient source in the greenhouse trade and in hydroponics. It is one of the components of Gatorade (used as both an emulsifier and pHbuffer) and is used as an additive in cigarettes. At 400°Cit decomposes, by loss of water, to potassiummetaphosphate (KPO3)

 

Resource:

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