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.
1894. Muir & Morley, Watts Dict. Chem., IV. 793. Tridecane, C13H28.
1902. Jrnl. Chem. Soc., LXXXII. I. 733. Hydrocarbons in Pennsylvania Petroleum . Tridecane [etc.].
So Tridecyl [-YL], the radical (C13H27) contained in tridecane. Hence Trdecylic a. in tridecylic acid, C13H26O2; also called Tridecoic or Tridecatoic acid.
1868. Watts, Dict. Chem., V. 880. Tridecyl.
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.
1913. Thorpe, Dict. App. Chem. (ed. 2), V. 529. Tridecatoic or Tridecylic Acid crystallises in thin plates; m. p. 40·5°.