114545

Thymolblau

ACS reagent

• Synonym(e): Thymolsulfonphthalein
• Empirische Formel (Hill-System): C₂₇H₃₀O₅S
• CAS-Nummer: 76-61-9
• Molekulargewicht: 466.59
• Beilstein: 368036
• EG-Nummer: 200-973-3
• MDL-Nummer: MFCD00005869
• UNSPSC-Code: 12171500
• PubChem Substanz-ID: 24847181
• NACRES: NA.47

Eigenschaften

• Qualität: ACS reagent
• Qualitätsniveau: 200
• Form: powder
• Klarheit der Lösung: passes test
• Methode(n): titration: suitable
• visual transition interval: 1.2-2.8, red to yellow(acid range); 1.2-2.8, red to yellow; 8.0-9.2, yellow to blue(alkaline range); 8.0-9.2, yellow to blue
• mp (Schmelzpunkt): 221-224 °C (dec.) (lit.)
• Löslichkeit: ethanol: 0.1%, clear
• Dichte: 0.979 g/cm³
• λmax: 376 nm (2nd); 594 nm
• ε (Extinktionskoeffizient): ≥12000 at 298-302 nm in 0.1 M NaOH at 0.01 g/L
• Anwendung(en): diagnostic assay manufacturing; hematology; histology
• Lagertemp.: room temp
• SMILES String: CC(C)c1cc(c(C)cc1O)C2(OS(=O)(=O)c3ccccc23)c4cc(C(C)C)c(O)cc4C
• 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
• InChIKey: PRZSXZWFJHEZBJ-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

Thymol Blue is a sulfonephthalein dye. It is also known as thymolsulfonphthalein.

Anwendung

Thymol Blue has been used for the in situ spectrophotometric pH measurement.

Biochem./physiol. Wirkung

Thymol Blue is a pH indicator, which is yellow/orange at low pH and blue in color at high pH.[1]

Sicherheitshinweise

• Lagerklassenschlüssel: 11 - Combustible Solids
• WGK: WGK 3
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable
• Persönliche Schutzausrüstung: Eyeshields, Gloves, type N95 (US)