7646-93-7 Acid potassium sulfate Monopotassium hydrogen sulfate Monopotassium sulfate NSC409996 Potassium acid sulfate Potassium bisulfate Potassium hydrogen sulfate Potassium hydrogen sulfate, solid Potassium hydrosulfate (KHSO4) Potassium sulfate Potassium sulfate (KHSO4) Potassium sulfate, KHSO4 Sal enixum Sulfuric acid monopotassium salt Sulfuric acid potassium salt (1:1) Sulfuric acid, monopotassium salt