Hydrochloric acid

Author:Prof. Dr. med. Peter Altmeyer

Last updated on: 29.10.2020

Synonym(s)

Acidum hydrochloricum; CAS No 7647-01-0; Hydrochloric acid; muriatic acid

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DefinitionThis section has been translated automatically.

Hydrochloric acid is an aqueous solution of hydrogen chloride. The substance is colourless, clear and spreads a pungent odour. In nature, hydrochloric acid is found in crater lakes, for example.

Field of application/useThis section has been translated automatically.

Food additive (E 507)

Acidity regulator

Hydrochloric acid is permitted for use in foodstuffs without a maximum limit. The only exceptions are untreated foods and foods that are not intended to be altered by additives.

Hydrochloric acid is mainly used to adjust a desired acidity level or for the targeted splitting of proteins. It is also used in drinking water treatment, in cleaning agents (etching, spreading) and spices.

Authors

Last updated on: 29.10.2020

Author: Prof. Dr. med. Peter Altmeyer