Chem. [f. Gr. τρία three + δέκα ten + -ANE.] A colorless liquid hydrocarbon of the paraffin series, containing 13 atoms of carbon; its melting point is –6°C. and boiling point 234°C.

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1894.  Muir & Morley, Watts’ Dict. Chem., IV. 793. Tridecane, C13H28.

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1902.  Jrnl. Chem. Soc., LXXXII. I. 733. Hydrocarbons in Pennsylvania Petroleum…. Tridecane [etc.].

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  So Tridecyl [-YL], the radical (C13H27) contained in tridecane. Hence Trdecylic a. in tridecylic acid, C13H26O2; also called Tridecoic or Tridecatoic acid.

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1868.  Watts, Dict. Chem., V. 880. Tridecyl.

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1880.  Jrnl. Chem. Soc., XXXVIII. 34. Tridecylic, Pentadecoic, [etc.] Acids … The discovery of tridecoic and pentadecoic acids makes the list of fatty acids complete as far as stearic acid.

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1913.  Thorpe, Dict. App. Chem. (ed. 2), V. 529. Tridecatoic or Tridecylic Acid … crystallises in thin plates; m. p. 40·5°.

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