Dipotassium hydrogen phosphate trihydrate 16788-57-1


Product Deail


Dipotassium hydrogen phosphate trihydrate

【Another name】Dibasic potassium phosphate; Dibasic potassium phosphate; Dipotassium phosphate; Dipotassium phosphate trihydrate.

【Description】Colorless crystal or white particles, deliquescent, relative density 2.338, after burning into potassium pyrophosphate. Soluble in water, aqueous solution is weakly alkaline, slightly soluble in alcohol.

Test items

AR

CP

Other

Assay(HK2O4P•3H2O) /%

≥99.0

≥97.0

Custom

pH(50g/L,25℃)

8.9-9.4

8.9-9.4

Clarity of solution

Passes test Passes test

Water insoluble /%

≤0.01

≤0.03

Chloride(Cl) /%

≤0.002

≤0.005

Sulfate(SO4) /%

≤0.01

≤0.03

Nitrate(NO3) /%

≤0.001

≤0.003

Sodium(Na) /%

≤0.05

≤0.10

Magnesium(Mg) /%

≤0.001

≤0.001

Iron(Fe) /%

≤0.001

≤0.003

Arsenic(As) /%

≤0.000 1

≤0.000 3

Heavy metals(as Pb) /%

≤0.001

≤0.003

Use】Used as an analytical reagent; Cultivate agent; Raw materials for making potassium pyrophosphate; Pharmaceutical excipients; Food additives; Water treatment agent; Feed additives.