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C3H3 (iso)

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Originally appearing in Volume V05, Page 437 of the 1911 Encyclopedia Britannica.
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C3H3 (iso) , a constituent of the ethereal oil of Origanum hirtum, oil of See also:thyme, oil obtained from pepperwort, and See also:wild See also:bergamot. It may be synthetically prepared by the See also:fusion of cymol sulphonic See also:acid with See also:caustic potash; by the See also:action of nitrous acid on 1-methyl-2-amino-4-propyl See also:benzene; by prolonged See also:heating of 5 parts of camphor with 1 See also:part of See also:iodine; or by heating carvol with glacial phosphoric acid. It is extracted from Origanum oil by means of a to% potash See also:solution. It is a thick oil which sets at — 2o° C. to a See also:mass of crystals of melting point o°C, and boiling point 236-2370C. Oxidation with ferric chloride converts it into dicarvacrol, whilst See also:phosphorus pentachloride transforms it into chlorcymol.

End of Article: C3H3 (iso)

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