👉 Perchlorate is a chemical compound that consists of two chlorine atoms bonded to one oxygen atom. It is a common component in peroxide solutions and is also used as a preservative for food products, such as wine or milk. In chemistry, perchlorate is a halogenated compound with the formula ClO3-. It is often named after the chemical element chlorine because of its ability to form chlorides when exposed to light. The name "perchlorate" comes from the Greek words