About 48,300 results
Open links in new tab
  1. Chlorine - Wikipedia

    Chlorine is a chemical element; it has symbol Cl and atomic number 17. The second-lightest of the halogens, it appears between fluorine and bromine in the periodic table and its properties are mostly …

  2. Chlorine | Uses, Properties, & Facts | Britannica

    Mar 23, 2026 · chlorine (Cl), chemical element, the second lightest member of the halogen elements, or Group 17 (Group VIIa) of the periodic table. Chlorine is a toxic, corrosive, greenish yellow gas that is …

  3. Chlorine Rash: Why It Happens and How To Treat It

    6 days ago · Don’t let a chlorine rash crash your pool party! An allergy specialist explains why these irritating outbreaks happen and how to avoid them.

  4. What Makes Chlorine Gas and Why It’s Dangerous

    Mar 25, 2026 · Nearly all commercial chlorine is made through the chlor-alkali process, which passes an electric current through a saltwater solution. The overall reaction breaks down salt (sodium chloride) …

  5. Chlorine | Chemical Emergencies | CDC

    Sep 6, 2024 · Chlorine is a liquid or gas with a strong, irritating smell. Signs and symptoms of chlorine exposure depend on how you were exposed. Get away from the area, get clean, and get help if …

  6. Chlorine and sodium hypochlorite hazards and risks: no need for …

    Context - Chlorine and sodium hypochlorite are widely used for disinfection and bleaching, among other things to disinfect drinking water. It appears that the usage guidelines recommend since several …

  7. Chlorine in Drinking Water: What You Should Know

    Learn why chlorine is added to drinking water, whether it’s safe, how to test for it, and the best ways to reduce chlorine in your home water supply.

  8. Chlorine Facts, Symbol, Discovery, Properties, Uses

    Chlorine (pronounced as KLOHR-een) is a highly reactive diatomic gas belonging to the family of halogens. Denoted by the chemical symbol Cl, it categorized as a nonmetal [1, 2].

  9. Chlorine | Cl2 | CID 24526 - PubChem

    At room temperature, chlorine is a yellow-green gas that is heavier than air and has a strong irritating odor. It can be converted to a liquid under pressure or cold temperatures. Chlorine is mainly used as …

  10. CHLORINE | Occupational Safety and Health Administration

    Feb 23, 2026 · Greenish-yellow gas with a pungent, irritating odor. Note: Do not use this method when bromine, fluorine, chlorine dioxide or hydrogen sulfide are present. Chlorine containing compounds, …