Anthracīn

Anthracīn: Anthracīn (Paranaphtalin), C¹⁰H₁₂, aus dem Steinkohlentheer durch fractionirte Destillation u. Abkühlung u. Digestion des sich ausscheidenden Gemenges von A. u. Naphthalin mit Alkohol, in welchem das A. unlöslich ist, dargestellt; es ist dem Raphthalin ähnlich, schmilzt aber bei 180° u. siedet über 300°; sublimirt schon unter dem Siedepunkt u. condensirt sich zu einer krystallinischen Masse; löst sich nicht in Wasser, wenig in Alkohol u. Äther, leicht in Terpentinöl.

Игры ⚽ Нужно решить контрольную?

anthracin — a synonym of anthracene … Useful english dictionary
anthracin — Anthracene An thra*cene, n. [Gr. ? coal.] (Chem.) A solid hydrocarbon, {C6H4.C2H2.C6H4}, which accompanies naphthalene in the last stages of the distillation of coal tar. Its chief use is in the artificial production of alizarin. [Written also… … The Collaborative International Dictionary of English
anthracin — SYN: anthracene (1) … Medical dictionary
Anthracene — An thra*cene, n. [Gr. ? coal.] (Chem.) A solid hydrocarbon, {C6H4.C2H2.C6H4}, which accompanies naphthalene in the last stages of the distillation of coal tar. Its chief use is in the artificial production of alizarin. [Written also {anthracin}.] … The Collaborative International Dictionary of English
C6H4C2H2C6H4 — Anthracene An thra*cene, n. [Gr. ? coal.] (Chem.) A solid hydrocarbon, {C6H4.C2H2.C6H4}, which accompanies naphthalene in the last stages of the distillation of coal tar. Its chief use is in the artificial production of alizarin. [Written also… … The Collaborative International Dictionary of English
anthracene — 1. A hydrocarbon obtained from coal tar; it oxidizes to anthraquinone, which is converted to alizarin dyes. SYN: anthracin. 2. A compound containing a. (1) as a part of its structure. [G. anthrax, coal] * * * an·thra·cene an(t) thrə .sēn n a… … Medical dictionary

Academic dictionaries and encyclopedias