Name:Potassium tartrate Synonyms:Dipotassium tartrate; [R-(R*,R*)]-2,3-Dihydroxybutanedioic acid dipotassium salt Molecular Formula:C4H4K2O6 Molecular Weight:226.26 CAS Registry Number:921-53-9 EINECS:213-067-8 Potassium tartrate, dipotassium tartrate or argol has formula K2C4H4O6. It is the potassium salt of tartaric acid.It is often confused with potassium bitartrate, also known as cream of tartar.As a food additive, it shares the E number E336 with potassium bitartrate. E336,921-53-9,Dipotassium tartrate,Dipotassium tartrate, Argol,Dipotassium tartrate acidity regulator, Dipotassium tartrate supplier, Dipotassium tartrate manufacturer, Dipotassium tartrate exporter, Dipotassium tartrate distributor, Dipotassium tartrate importer