Does peracetic acid have another name?

What Is Peracetic Acid? And What Else Is It Called?

Peracetic acid, while its most common name, goes by a few other aliases too. You might hear it referred to as peroxyacetic acid or even Percidine—a brand name sometimes used in industrial and medical contexts. Despite the different labels, they all point to the same chemical: an organic compound with the formula CH₃CO₃H.

This substance is a colorless liquid, known for its sharp, pungent smell that closely resembles regular acetic acid—the main component in vinegar. But don’t let the familiar scent fool you; peracetic acid is far more aggressive. It’s a powerful oxidizing agent, which makes it highly effective as a disinfectant and sterilizing agent, especially in food processing, healthcare, and water treatment industries.

However, that strength comes with a warning. Peracetic acid is highly corrosive. It can damage metals, irritate skin and eyes, and poses risks if not handled properly. Because of this, safety protocols are crucial when using it in any setting—whether in a lab, hospital, or production facility.

Its effectiveness in killing bacteria, viruses, and spores without leaving harmful residues has made it a go-to solution where hygiene is non-negotiable. Unlike some sanitizers, it breaks down into acetic acid and hydrogen peroxide, which further decompose into water and oxygen, making it relatively environmentally friendly when managed correctly.

So next time you hear "peroxyacetic acid" or "Percidine," know it's just another name for peracetic acid—a small molecule with a big impact, as useful as it is demanding of respect.