mono potassium phosphate (MKP) feed additive

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Chemical formula:   KH2PO4

Molecular weight :   136.09

Properties: Colorless cubic crystal or white crystal powder. Relative density is 2.338, and melting point is 252.6 centigrade. It is soluble in water and insoluble in ethanol, and the aqueous solution shows acidity. It melts and becomes transparent liquid at 400 centigrade. After refrigerating, it becomes opaque potassium metaphosphate. It is easy to deliquesce.

Specification: (reference standard HG 2860—1997)      

Item	unit	standard
KH2PO4	%≥	98.0
P	%≥	22.3
K	%≥	28
Moisture	%≤	0.5
Chlorid (Cl-)	%≤	1.0
Sulfate (SO42-)	%≤	0.1
As	%≤	0.001
Heavy metal (Pb)	%≤	0.002

mono potassium phosphate (MKP) feed additive