Thymol blue - Wikipedia
Thymol blue (thymolsulfonephthalein) is a brownish-green or reddish-brown crystalline powder that is used as a pH indicator. It is insoluble in water but soluble in alcohol and dilute alkali solutions.
Thymol Blue | C27H30O5S | CID 65565 - PubChem
Thymol Blue | C27H30O5S | CID 65565 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.
Thymol blue - Sciencemadness Wiki
2023年12月29日 · Thymol blue, also called thymolsulfonephthalein, is an organic chemical compound, used as a pH indicator.
Thymol blue - NIST Chemistry WebBook
Thymol blue. Formula: C 27 H 30 O 5 S. Molecular weight: 466.589. IUPAC Standard InChI: InChI=1S/C27H30O5S/c1-15 (2)19-13-22 (17 (5)11-24 (19)28)27 (21-9-7-8-10-26 (21)33 (30,31)32-27)23-14-20 (16 (3)4)25 (29)12-18 (23)6/h7-16,28-29H,1-6H3. Copy Sheet of paper on top of another sheet.
Thymol blue | C27H30O5S - ChemSpider
ChemSpider record containing structure, synonyms, properties, vendors and database links for Thymol blue, 76-61-9
Thymol blue - Labster
Thymol blue is an indicator. Its chemical formula is C 27 H 30 O 5 S. Thymol blue has three color stages in an aqueous solution. It is insoluble in water but soluble in alcohol and dilute alkali solutions.
Acid-Base Indicators - Chemistry LibreTexts
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Thymol Blue | The Merck Index Online
Thymol Blue. UNII. 8YB4804L4M. Molecular formula. C 27 H 30 O 5 S. Molecular weight. 466.59. Percent composition. C 69.50%, H 6.48%, O 17.14%, S 6.87%.
17.3: Acid-Base Indicators - Chemistry LibreTexts
2023年7月12日 · In addition, some indicators (such as thymol blue) are polyprotic acids or bases, which change color twice at widely separated pH values. Figure \(\PageIndex{2}\): Some Common Acid–Base Indicators. Approximate colors are shown, along with pKin values and the pH range over which the color changes.
Purification and characterization of thymol blue for …
2019年12月20日 · Thymol blue (TB) is one of a suite of indicator dyes appropriate for spectrophotometric determinations of the pH of aqueous solutions.