What is the formula of a camphor
Fighter (Camphor), in the general sense the collective name for a group of solid, volatile, peculiar smelling bodies, mostly ketone or alcohol-like descendants of the terpene series, which are empirically divided into several groups: types of camphor from the formulaC.10H20O (Menthol), from the formulaC.10H18O (Borneo camphor), C.10H20O2 (Terpin), furthermore C.15H26O (Cedar, patchouli) and C.10H16O (Japanese camphor, fenchon, pulegon).
This belongs here common Chinese laurine, Japanese camphor or Fighter simply by distilling all parts of the camphor tree (Camphora officinarum C. Bauh. = Cinnamomum Camphora Nees = Laurus Camphora L.), especially of wood, is extracted in China, Japan and on Formosa. For information on extraction and purification, see  - , , . The raw camphor forms a crystalline-granular, gray or reddish mass that is refined by sublimation. Refined camphor is bread that is 1–2 kg in weight, round, pierced in the middle and easily crumbled into pieces. The pieces are colorless, shiny, very little in water (1: 3000), easily soluble in alcohol, ether, chloroform, carbon disulfide, fatty and essential oils . Camphor smells very characteristic, tastes bitter spicy at first, then cools, evaporates at ordinary temperature, turns the plane of polarization strongly to the right in concentrated solution and shows its lively movement in water. It is mainly used medicinally, rarely technical (in celluloid production) and in households against moths etc. used. That is different from him Borneo, Baros- or Sumatra campersthat of Dryobalanops aromatica Gardening. originates and is dug out of the caves of the tree trunks , . The wood is currently processed into boxes for fur (as an insect repellent). The very pure Borneo camphor is called Borneol C.10H18O denotes and occurs in leafy, crystalline masses or loose pearlescent crystal flakes that smell not of camphor but more of patchouli. - A third type used by the Chinese in medicine and in the manufacture of Indian ink is that Ngai- or Flower camphormade from a South Asian composite, Blumea balsamifera DC, is won . Artificial camphor is represented from turpentine oil.
Literature:  The pharmacognostic works of Flückinger, Vogl, Moeller. -  Realencyklopädie der Gesamt Pharmacie, 2nd edition, Vienna 1904, vol. 3, p. 318. -  Oishi H., in the annual report by Beckurts, Braunschweig 1883/84. -  Maisonneuve, Étude sur la structure et les produits des camphriers de Borneo, Paris 1875. -  Vogl, in Wiesner, Rohstoffe etc., 2nd edition, 1900, vol. 1, p. 544 ff. -  Gildemeister and Hoffmann, Die ätherischen Oele, Berlin 1899, p. 481.
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