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  1. Perchlorate - Wikipedia

    Four perchlorates are of primary commercial interest: ammonium perchlorate (NH4)ClO4, perchloric acid HClO4, potassium perchlorate KClO4 and sodium perchlorate NaClO4.

  2. Perchlorate in Drinking Water - US EPA

    Jan 6, 2026 · Perchlorate is a naturally occurring and manufactured chemical anion. On February 11, 2011, EPA determined that perchlorate meets the Safe Drinking Water Act criteria for …

  3. EPA says it will propose drinking water limit for perchlorate ...

    Jan 5, 2026 · The Environmental Protection Agency says it will propose a drinking water limit for perchlorate, a chemical in certain explosives.

  4. Perchlorate and Your Health: What to Know - WebMD

    Aug 6, 2024 · Perchlorate is a chemical that’s used in things like rocket fuel, explosives, road flares, and fireworks. Small amounts of it can also form naturally in dry states in the …

  5. Perchlorate Questions and Answers | FDA

    Perchlorate is a naturally occurring and manmade chemical that can affect the functioning of the thyroid gland at sufficiently high doses.

  6. Perchlorate | Department of Toxic Substances Control

    Jun 30, 2025 · Perchlorate (ClO 4–) is both naturally occurring and a man-made contaminant that is increasingly found in groundwater, surface water and soil. Most perchlorate manufactured in …

  7. Perchlorates | Public Health Statement | ATSDR

    What are perchlorates? The terms perchlorate or perchlorate anion refer to a negatively charged group of atoms consisting of a central chlorine atom bonded to four oxygen atoms. Perchlorate …

  8. Perchlorate: Definition, Formula, Structure, & Reactions

    What is a perchlorate ion (ClO4-). Explore its formula, structure, mass, properties, preparations, reactions, & uses. Check out a few examples of perchlorates.

  9. What is Perchlorate? - Perchlorate Information Bureau

    Perchlorate is a simple substance made up of chlorine and oxygen. It is found in nature and can be man-made.

  10. EPA Proposes Drinking Water Standard for Perchlorate

    Jan 8, 2026 · Perchlorate is an inorganic chemical compound that occurs naturally and can also be manufactured. It is commonly used in solid rocket propellants, munitions, fireworks, airbag …