Chemical Name: Dipotassium phosphate; DKP; Dipotassium hydrogen phosphate; Potassium phosphate dibasic.
Other Chemical Name: Dipotassium phosphate trihydrate; Di-potassium hydrogen orthophosphate 3-hydrate; Di-potassium hydrogen orthophosphate trihydrate; Di-potassium hydrogen phosphate trihydrate; Di-potassium hydrogen phsophate, 3-hydrate; Sec potassium phosphate trihydrate; Potassium hydrogen phosphate; Potassium hydrogenphosphate trihydrate; Potassium phosphate 3h2o
Molecular formula: K2HPO4
Molecular weight: 116.06
CAS No.: 7758-11-4
White powder with hygroscopy.
Relative density is 2.338.
Easily soluble in water, slightly soluble in alcohol.
The solution is alkalescence, pH (1% solution) is 8.9.
Self-fluxing under high temperature.
Causing internal dehydration reaction and becoming potassium pyrophosphate under 204℃.
Insoluble matters in water
pH (1% solution)