thymolphthalein

A pH indicator that can also be used to make invisible ink.

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  • Thymolphthalein — is an acid base (pH) indicator. Its transition range is at approximately pH 9.3 10.5. Below this pH, it is colorless; above this pH, it is blue. Its molecular formula is C28H30O4, which gives a molecular weight of 430.53. The molar extinction… …   Wikipedia

  • Thymolphthalein — Strukturformel Allgemeines Name Thymolphthalein Andere Namen …   Deutsch Wikipedia

  • Thymolphthalein — Thy|mol|phtha|le|in [↑ Thymol u. ↑ Phthalein] ein Neutralisationsindikator mit Umschlagsbereich pH 9,3–10,5 (farblos → blau) …   Universal-Lexikon

  • thymolphthalein — thy·mol·phtha·lein thal .ēn, thā .lēn, thal ē ən n a crystalline compound C28H30O4 analogous to phenolphthalein and likewise used as an acid base indicator * * * thy·mol·phthal·ein (thi″mo thalґēn) an indicator with a pH range of 9.3… …   Medical dictionary

  • thymolphthalein — | ̷ ̷ˌ ̷ ̷| ̷ ̷ ̷ ̷ ̷ ̷ noun Etymology: International Scientific Vocabulary thymol + phthalein : a crystalline compound C28H30O4 analogous to phenolphthalein and likewise used as an acid base indicator …   Useful english dictionary

  • Triarylmethanfarbstoff — Triphenylmethan Den Grundkörper für die Gruppe der Triphenylmethanfarbstoffe bildet das Triphenylmethan. Mindestens zwei der aromatischen Ringe tragen elektronenliefernde Substituenten (sog. Auxochrome). Triphenylmethanfarbstoffe finden… …   Deutsch Wikipedia

  • Triphenylmethanfarbstoff — Triphenylmethan Den Grundkörper für die Gruppe der Triphenylmethanfarbstoffe bildet das Triphenylmethan. Mindestens zwei der aromatischen Ringe tragen elektronenliefernde Substituenten (sog. Auxochrome). Triphenylmethanfarbstoffe finden… …   Deutsch Wikipedia

  • Invisible ink — Invisible ink, also known as security ink, is a substance used for writing, which is invisible either on application or soon thereafter, and which later on can be made visible by some means. Invisible ink is one form of steganography, and it has… …   Wikipedia

  • 2-Isopropyl-5-methyl-phenol — Strukturformel Allgemeines Name Thymol Andere Namen 2 Isopropyl 5 methyl phenol …   Deutsch Wikipedia

  • 5-Methyl-2-(1-methylethyl)phenol — Strukturformel Allgemeines Name Thymol Andere Namen 2 Isopropyl 5 methyl phenol …   Deutsch Wikipedia

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