Monopotassium Phosphate

Also Monopotassium Phosphate
Chemical Formula KH2PO4
CAS No 7778-77-0
Molecular Weight 136.08
Physicochemical Properties Form & Appearance : Colorless cubic crystals or white crystal powder.
Soluble in water, insoluble in alcohol. Melting point: 252.6℃.Relative density:2.338. The PH of 1% aqueous solution values 4.5. It melts at 400 Celsius degrees and turns into transparent liquid. When refrigerated, it becomes opaque potassium metaphosphate, and easy to deliquesce.
Application Fertilizer, Food additive and fungicide, Yeast growth medium, Pharmacy industry, Potassium metaphosphate.
Analytical Value Typical Specifications
 
specifications      
 
KH2PO4 % ≥  P205 % ≥ K20 % ≥ PH                      (1% water solution) Chloride(Cl)% ≤ Fe % ≤ Fluoride(F) % ≤ Arsenic(As) % ≤ Heavy metal(Pb) % ≤ Water insoluble % ≤ Moisture % ≤
Agri Grade 96.0 50.10 31.80 4.4-4.6 / / / / / / 1
Tech Grade 98.0 51.20 33.50 4.4-4.6 0.20 0.003 / 0.005 0.005 0.30 0,50
Food Grade 98.0 52.00 34.00 4.4-4.6 0.10 0.003 0.001 0.0003 0.001 0.20 0.20

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