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Thermo Scientific Chemicals
Thymolphthalein
CAS: 125-20-2 | C28H30O4 | 430.544 g/mol
化学物質識別子
CAS125-20-2
IUPAC Name3,3-bis[4-hydroxy-2-methyl-5-(propan-2-yl)phenyl]-1,3-dihydro-2-benzofuran-1-one
Molecular FormulaC28H30O4
InChI KeyLDKDGDIWEUUXSH-UHFFFAOYSA-N
SMILESCC(C)C1=CC(=C(C)C=C1O)C1(OC(=O)C2=CC=CC=C12)C1=CC(C(C)C)=C(O)C=C1C
さらに表示
仕様
スペックシート
スペックシートFormpowder
lambda-max (UV-Vis)590 - 598nm (0.1M NaOH)
Color ChangeColourless @ pH9.3 to blue @ pH10.5
Specific Absorbance (E 1%/1cm)> 750 @ Lambda-max
Appearance (Color)White
Thymolphthalein acts as pH indicator, as reagent for blood after decolorizing the alkaline solution by boiling with zinc dust.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Applications
Thymolphthalein acts as pH indicator, as reagent for blood after decolorizing the alkaline solution by boiling with zinc dust.
Solubility
Soluble in alcohol, acetone and also soluble in dilute alkalis. insoluble in water.
Notes
Store in a cool, dry place in tightly closed container. Store at room temperature. Incompatible with oxidizing agents.
Thymolphthalein acts as pH indicator, as reagent for blood after decolorizing the alkaline solution by boiling with zinc dust.
Solubility
Soluble in alcohol, acetone and also soluble in dilute alkalis. insoluble in water.
Notes
Store in a cool, dry place in tightly closed container. Store at room temperature. Incompatible with oxidizing agents.
RUO – Research Use Only
General References:
- Roy AV. Rapid method for determining alkaline phosphatase activity in serum with thymolphthalein monophosphate.Clin. Chem.1970, 16,(5), 431-436.
- Mohamed M. Ghoneim; Mohamed A. A. Ashy. Polarographic reduction of phenolphthalein, cresolphthalein, thymolphthalein, and α-naphtholphthalein in aqueous and nonaqueous ethanolic solutions. Canadian Journal of Chemistry. 1979, 57 (11), 1294-1298.
- Acid-base indicator: pH 9.3 - 10.5.