Potassium dihydrogen phosphate (KH2PO4)-Powder

Characteristic

Dipotassium phosphate (K₂HPO₄) (also dipotassium hydrogen orthophosphate; potassium phosphate dibasic) is the inorganic compound with the formula K2HPO4.(H2O)x (x = 0, 3, 6). 

Chemical formula：K₂HPO₄

Molar mass：174.2 g/mol

Appearance：white powder   deliquescent

Odor：odorless

Density：2.44 g/cm³

Melting point：> 465 °C (869 °F; 738 K) decomposes

Solubility in water：149.25 g/100 mL (20 °C)

Solubility：slightly soluble in alcohol

Acidity (pKa)：12.4

Basicity (pKb)：6.8

Application

As a food additive, dipotassium phosphate is used in imitation dairy creamers, dry powder beverages, mineral supplements, and starter cultures.