Web8. sep 2024 · The molecular formula of phenolphthalein is C 20 H 14 O 4 and has a molecular mass of 318.3. As phenolphthalein is in its acidic form, the solution of … WebPhenolphthalein (fē-nəl-ˈtha-lē-ən) is a chemical compound with the formula C 20 H 14 O 4 (often written as "HIn" in shorthand notation).Often used in titrations, it turns colorless in …
RoC Profile: Phenolphthalein; 15th RoC 2024 - National Toxicology …
WebPhenolphthalein is an organic compound used as a laboratory reagent and pH indicator. Phenolphthalein exerts laxative effects by stimulating the intestinal mucosa and … Web1. feb 2024 · Phenolphthalein Names Preferred IUPAC name 3,3-Bis(4-hydroxyphenyl)-2-benzofuran-1(3H)-one Other names 3,3-Bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one … explosion in frederick county maryland
Phenolphthalein - chemie.de
WebPhenolphthalein Strukturformel Allgemeines Name Phenolphthalein Andere Namen 3,3-Bis(4-hydroxyphenyl)-1(3H)-isobenzofuranon Summenformel C20H14O4 CAS-Nummer. … WebFenolftalein je organická aromatická sloučenina. Často se používá při acidobazických titracích jako indikátor . Výroba [ editovat editovat zdroj] Fenolftalein byl poprvé připraven roku 1871 německým chemikem Adolfem von Baeyerem reakcí fenolu s ftalanhydridem, z čehož pochází název fenolftalein. Phenolphthalein is a chemical compound with the formula C20H14O4 and is often written as "HIn", "HPh", "phph" or simply "Ph" in shorthand notation. Phenolphthalein is often used as an indicator in acid–base titrations. For this application, it turns colorless in acidic solutions and pink in basic solutions. It … Zobraziť viac pH indicator Phenolphthalein's common use is as an indicator in acid-base titrations. It also serves as a component of universal indicator, together with methyl red, bromothymol blue, … Zobraziť viac • Bromothymol blue • Litmus • Methyl orange • pH indicator Zobraziť viac Phenolphthalein can be synthesized by condensation of phthalic anhydride with two equivalents of phenol under acidic conditions. It was discovered in 1871 by Adolf von Baeyer. The reaction can also be catalyzed by a mixture of Zobraziť viac • Page on different titration indicators, including phenolphthalein Zobraziť viac bubble letters for word