单词	pentachlorophenol
释义	pentachlorophenol /ˌpɛntəˌklɔːrəʊˈfiːnɒl / noun [mass noun] Chemistry A colourless crystalline synthetic compound used in insecticides, fungicides, weedkillers, and wood preservatives. Chemical formula: C6Cl5OH. To prevent the anti-sap stain, we used to put wood through the boric bath, to which pentachlorophenol and organochlorine were added for cosmetic reasons.... The dioxins in pentachlorophenol are toxic, causing health problems from severe skin rashes to liver damage and possible cancer. Deregistering pentachlorophenol, a chemical used for treating timber in New Zealand, in 1991.
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