Phthalin Phthal"in, n. (Chem.) A colorless crystalline substance obtained by reduction from phthale["i]n, into which it is easily converted by oxidation; hence, any one of the series of which phthalin proper is the type. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • phthalin — [thal′in, fthal′in] n. [ PHTHAL(EIN) + IN1] any of a series of compounds produced by the reduction of the phthaleins …   English World dictionary

  • phthalin — /thal in, fthal /, n. Chem. any of a group of compounds obtained by the reduction of the phthaleins. [1870 75; (NA)PHTHAL(ENE) + IN2] * * * …   Universalium

  • phthalin — phthal·in (thalґin) any one of a series of colorless compounds formed by reduction of phthalein …   Medical dictionary

  • phthalin — n. chemical compound used in the production of dyes (Chemistry) …   English contemporary dictionary

  • phthalin — phthal·in …   English syllables

  • phthalin — /ˈθælən/ (say thaluhn), /ˈfθælən/ (say fthaluhn) noun any of a group of compounds obtained by reduction of the phthaleins …   Australian English dictionary

  • phthalin — ˈthalə̇n noun ( s) Etymology: International Scientific Vocabulary phthal + in : any of a group of colorless compounds obtained by reduction of the phthaleins into which they are easily reconverted by oxidation; especially : the compound C20H16O4… …   Useful english dictionary

  • Phthalsäure — (Orthophthalsäure, Benzolorthodikarbonsäure) C8H6O4 oder C6H4(COOH)2 entsteht bei Oxydation von Naphthalin, Orthoxylol, Orthotoluylsäure, Alizarin, Purpurin, Benzol und Benzoesäure und wird dargestellt, indem man Naphthalintetrachlorid mit… …   Meyers Großes Konversations-Lexikon

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