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单词 pentachlorophenol
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pentachlorophenol
pentachlorophenol n.
Brit. /ˌpɛntəklɔːrə(ʊ)ˈfiːnɒl/
,
/ˌpɛntəklɒrə(ʊ)ˈfiːnɒl/
,
U.S. /ˌpɛn(t)əˌklɔroʊˈfiˌnɔl/
,
/ˌpɛn(t)əˌklɔroʊˈfiˌnɑl/
(also pentachlorphenol) Chemistry a colourless, crystalline solid with acidic properties, C6Cl5OH, used (often in the form of its sodium salt) in insecticides, fungicides, weedkillers, wood preservatives, etc. (abbreviated PCP).
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the world > matter > chemistry > organic chemistry > hydrocarbons > [noun] > benzene derivatives > phenols > others
phenetidine1851
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guaiacol1864
hydroquinone1865
iodophenol1868
pentachlorophenol1869
trichlorophenol1871
purpurogallin1872
xylenol1872
kosin1875
phloroglucinol1879
cerulignol1883
cannabinol1896
gossypol1899
thiophenol1899
phenol resin1911
oxine1927
nordihydroguaiaretic acid1944
1869 G. Fownes Man. Elem. Chem. 552 When treated in alcoholic solution with excess of chlorine, it is converted into pentachlorophenol, or chlorophenusic acid, C6HCl5O, which is also crystalline.
1960 E. L. Delmar-Morgan Cruising Yacht Equipm. & Navigation xxiv. 231 Rotproofing..Lauryl pentachlor phenol..is colourless, odourless, and very effective, and is available in an emulsion or solution form.
1977 Time 4 Apr. 56/3 They discovered that cattle in his herd..have been ingesting a wood preservative called pentachlorophenol (PCP)—probably when the animals licked the sides of their feed bins.
1992 B. Coote Trade Trap xi. 151 As a result of these wastes, chemicals such as mercury and a fungicide—pentachlorophenol—have been absorbed by the shellfish and fish at levels that are dangerous for human consumption.
extracted from penta-comb. form
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