Chem. Obs. [ad. F. trityle (Chancel, 1853), so called as being the third of the series of alcohol radicals of the form CnH2n+1: see TRITO- and -YL, and cf. TETRYL, PENTYL, HEXYL, etc.] The radical C3H7, now called PROPYL. Hence † Tritylene PROPYLENE,Tritylic a. = PROPYLIC, etc.

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1854.  Q. Jrnl. Chem. Soc., VI. 287. Propionic Alcohol … to which the author [Chancel] gives the name Hydrate of Trityl.

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1856.  Fownes, Elem. Chem. (ed. 6), 474. Trityl-alcohol, or hydrated oxide of trityl. We prefer the name propylic alcohol.

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1857.  Miller, Elem. Chem., III. 27. Tritylic or Propylic Alcohol C6H8O2. Ibid., 28. Propylic (Tritylic) Ether … C6H7O. Ibid., 190. Tritylene, Propylene.… Reynolds obtained this gas mixed with marsh gas.

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1868.  Watts, Dict. Chem., V. 887. Trityl (better known as Propyl). Ibid., 888. One of the earliest … recognitions of the trityl-group is to be found in Chancel’s note … (1853), which describes a trityl-alcohol. Ibid., 891. Tritylamine, or Propylamine…. Bright, colourless, highly refracting, very mobile liquid. Ibid., 892. Tritylene, or Propylene, C3H6.

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