Phenolphthalein - Wikipedia
Phenolphthalein (/ fɛˈnɒl (f) θəliːn / [citation needed] feh-NOL (F)-thə-leen) is a chemical compound with the formula C 20 H 14 O 4 and is often written as " HIn ", " HPh ", " phph " or simply " Ph " in shorthand notation. Phenolphthalein is …
Phenolphthalein | C20H14O4 | CID 4764 - PubChem
Phenolphthalein | C20H14O4 | CID 4764 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.
Phenolphthalein | Magnificent molecules - RSC Education
2018年12月24日 · The origins of phenolphthalein lie in the German chemical industry during the heyday of artificial dye discovery in the late 19th century. An organic molecule made of only carbon, hydrogen and oxygen, it was first synthesised in 1871 by Adolf von Baeyer, who combined phenol and phthalic anhydride in the presence of sulfuric acid or zinc ...
Phenolphthalein - Structure, Properties, Uses of C20H14O4
Phenolphthalein is a chemical compound with the formula C20H14O4. Visit BYJU'S to understand the properties, structure and uses of C20H14O4 (Phosphoric Acid) explained by India's best teachers.
Phenolphthalein | pH indicator, acid-base titration, indicator dye ...
Phenolphthalein, (C20H14O4), an organic compound of the phthalein family that is widely employed as an acid-base indicator. As an indicator of a solution’s pH, phenolphthalein is colourless below pH 8.5 and attains a pink to deep red hue above pH 9.0.
Phenolphthalein | C20H14O4 - ChemSpider
ChemSpider record containing structure, synonyms, properties, vendors and database links for Phenolphthalein, 77-09-8, Colax.
Phenolphthalein - Chemistry Online
2024年4月22日 · What is phenolphthalein? Phenolphthalein (molecular formula C 20 H 14 O 4) is a pH indicator. In acidic solutions it remains colorless, but in the presence of basic solutions it takes on a pinkish color with a turning point between …
Phenolphthalein Indicator - Science Notes and Projects
2022年1月19日 · Phenolphthalein indicator is a pH indicator solution that is colorless under acidic and extremely alkaline conditions and fuchsia pink under ordinary alkaline conditions. Here is a look at the colors at different pH ranges, the chemistry of the color change, how to make phenolphthalein indicator, and uses of the chemical.
Phenolphthalein - NIST Chemistry WebBook
2013年9月5日 · IUPAC Standard InChIKey: KJFMBFZCATUALV-UHFFFAOYSA-N. Copy Sheet of paper on top of another sheet. CAS Registry Number: 77-09-8. Chemical structure: This structure is also available as a 2d Mol file.
Phenolphthalein - chemeurope.com
Phenolphthalein (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 acidic solutions and pink in basic solutions.