Acetic acid is used in vinegar. ... What is acetic acid, the chemical involved in the deadly LyondellBasell plant leak? By Emily Foxhall, Former Reporter Updated July 28, 2021 2:21 p.m.

The chemical industry produced about 14 million metric tons of acetic acid worldwide in 2017 for use as a reagent to make monomers and other compounds, as well as for use in the medical and food ...