The Chemical ReactionOrdinary household bleach contains sodium hypochlorite, which reacts with ethanol or isopropyl alcohol to produce chloroform, hydrochloric acid, and other compounds, such as chloroacetone or dichloroacetone.
Unintentionally mixing of these chemicals could occur from trying to clean up a spill using bleach or from mixing cleaners together. Bleach is highly reactive and forms dangerous compounds when mixed with any of a number of chemicals, so it's best to avoid mixing it with any other product.
Danger of ChloroformChloroform is a dangerous chemical that irritates the eyes, respiratory system, and skin. It can damage the nervous system, eyes, lungs, skin, liver, kidneys, and other organs and may cause cancer. If you suspect exposure to chloroform, remove yourself from the area and seek medical attention.
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Mixing Bleach and Vinegar
Choroform Material Safety Data Sheet