Origin
Sodium hydrogen sulfate is the sodium salt of sulfuric acid (E 513). E 514 is produced for industrial use in a chemical process where heated sulfuric acid reacts with sodium chloride (table salt). This results in a solid substance composed of white crystals that are easily soluble in water.
Usage
E 514 is permitted without maximum quantity restrictions for all foods to which additives may be added. In the food industry, E 514 is used, among other things, for water treatment and also serves as a carrier substance for food colorants.
Risks
The food additive E 514 is considered safe. No ADI value (Acceptable Daily Intake) has been set either. However, when consumed in large quantities, sodium hydrogen sulfate acts strongly as a purgative.