Hydrochloric acid

Safety

Hydrochloric acid in high concentrations forms acidic mists. Both the mist and the solution have a corrosive effect on human tissue, potentially damaging respiratory organs, eyes, skin and intestines. Upon mixing hydrochloric acid with common oxidizing chemicals such as bleach (NaOCl) or permanganate (KMnO4), the toxic gas chlorine is produced. To minimize the risks while working with hydrochloric acid, appropriate precautions should be taken. For example, never add water to the acid as the water will boil; add acid to the water instead. See references for details.

Related Topics:
Bleach (NaOCl) - Permanganate (KMnO₄) - Chlorine

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Dangerous goods labels for hydrochloric acid:

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The following Risk and Safety Statements for labeling apply:

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