A byproduct is chloroform (chcl3), a suspected carcinogen produced when hocl, formed by the reaction of cl2 and water, reacts with dissolved organic matter.
Trichloromethane, sometimes known as chloroform, is an organic chemical having the formula CHCl3. It is a thick, white liquid that is dense and generated in vast quantities as a precursor to PTFE. It also serves as a precursor to a number of refrigerants. It is a trihalomethane and one of the four chloromethanes. When breathed or swallowed, it is a potent anesthetic, euphoriant, anxiolytic, and sedative.
About 660000 tons of chloroform are released into the atmosphere each year on a global scale, and 90% of these emissions are from natural sources. Chloroform is produced by a variety of seaweed species, and fungi are thought to also produce chloroform in soil. Although the exact mechanism is yet unknown, abiotic processes are thought to play a role in the formation of chloroform in soils naturally.
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