sentence: Chloroacetic acid is a very strong acid that causes immediate damage to the skin.
sentences_before: Replacing one hydrogen atom of acetic acid with a chlorine one yields 'Chloroacetic acid'. Chloroacetic acid is used in industrial chemical processes, for example in the production of dyes. It was used as poison gas in the First World War, as a so-called Yellow Cross agent. It is still used to treat warts today.
concept_name: chloroacetic acid
headings: Chloroacetic acid
categories: Acids Chemical warfare