МКП 99%

Molecular 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) itemsunitstandardtechnical gradefood gradeKH2PO4 %≥98.0099.00P2O5 %≥51.2051.60K2O %≥34.0034.00pH(3% solution) --4.3--4.7Chlorid (Cl-) %≤0.200.2Fe %≤0.0030.003Fluorid (F) %≤--0.001As %≤0.0050.0003Heavy metal (Pb) %≤0.0050.001Water insolubles %≤0.200.10Moisture %≤0.200.20