Potassium dihydrogen phosphate 7778-77-0


Product Deail


Potassium dihydrogen phosphate

Another nameMonopotassium phosphate;MKP.

【Description】Colorless crystalline or white crystalline powder, relative density 2.338, melting point 252.6℃, heat to 204℃ dehydration to produce potassium metaphosphate. Soluble in water, aqueous solution is acidic, insoluble in alcohol.

Test items

AR

CP

Other

Assay(KH2PO4) /%

≥99.5

≥99.0

Custom

pH(50g/L,25℃)

4.2-4.5

4.2-4.5

Clarity of solution /#

≤2

≤4

Water insoluble /%

≤0.002

≤0.005

Loss on drying /%

≤0.2

≤0.3

Chloride(Cl) /%

≤0.001

≤0.005

Sulfate(SO4) /%

≤0.003

≤0.005

Total nitrogen(N) /%

≤0.001

≤0.002

Arsenic(As) /%

≤0.000 5

≤0.002

Sodium(Na) /%

≤0.02

≤0.05

Iron(Fe) /%

≤0.001

≤0.005

Heavy metals(as Pb) /%

≤0.001

≤0.005

Use】Used as a buffer; Phosphorus and potassium compound fertilizer; Food additives; Cultivate agent; Bacterial culture agent; Seasoning; Raw materials for the preparation of potassium metaphosphate; Enhancer. Raising agent; Fermentation agent.