Vinegar is 5% acetic acid. Acetic acid is a compound that, when pure, is water clear and freezes just above room temperature. Pure acetic acid will seriously burn you if it contacts the skin or eyes, but when diluted to 5% with water becomes a tasty condiment. So vinegar is dilute acetic acid.
Accordingly, is acetic acid harmful to humans?
Acetic acid can be a hazardous chemical if not used in a safe and appropriate manner. This liquid is highly corrosive to the skin and eyes and, because of this, must be handled with extreme care. Acetic acid can also be damaging to the internal organs if ingested or in the case of vapor inhalation.
What things have acetic acid?
Any kind of vinegar, most pickled products, and kombucha teas all contain acetic acid, as well as any food that has vinegar as an ingredient, so mustard, mayo, ketchup, sauerkraut and relish too.
What is acetic acid and where is it found?