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pyroligneous acid

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pyroligneous acid (pī'rəlĭg`nēəs), a dark liquid that is essentially a mixture of acetic acid acetic acid , CH3CO2H, colorless liquid that has a characteristic pungent odor, boils at 118°C;, and is miscible with water in all proportions; it is a weak organic carboxylic acid (see carboxyl group). Glacial acetic acid is concentrated, 99.
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 and methanol methanol, methyl alcohol, or wood alcohol, CH3OH, a colorless, flammable liquid that is miscible with water in all proportions. Methanol is a monohydric alcohol. It melts at −97.
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 (wood alcohol) and is obtained in the destructive distillation of wood. It once served as a commercial source of acetic acid.
pyroligneous acid [¦pī·rō′lig·nē·əs ′as·əd]
(organic chemistry)
An impure acetic acid derived from destructive distillation of wood or pine tar. Also known as pyracetic acid; wood vinegar.


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Koyotakara, a Japanese invention, is a teabag-like sachet stuffed full of natural body-cleansing ingredients, including pyroligneous acid which is known for its ability to draw out toxins.
These have not yet completed their useful course; the less corroded parts are cut into strips, punched with small holes, and varnished with a coarse black varnish for the use of the trunk-maker, who protects the edges and angles of his boxes with them; the remainder are conveyed to the manufacturing chemists in the outskirts of the town, who employ them in combination with pyroligneous acid, in making a black die for the use of calico printer" (Babbage [1835] 1986, 11-12).
 
 
 
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