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Thermo Scientific Chemicals
四溴酚酞乙酯钾盐
CAS: 62637-91-6 | C22H13Br4KO4 | 700.06 g/mol
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化学标识符
CAS62637-91-6
IUPAC Namepotassium 2,6-dibromo-4-[(3,5-dibromo-4-oxocyclohexa-2,5-dien-1-ylidene)[2-(ethoxycarbonyl)phenyl]methyl]benzen-1-olate
Molecular FormulaC22H13Br4KO4
InChI KeyWCIQBKUTYDIBJC-UHFFFAOYSA-M
SMILES[K+].CCOC(=O)C1=CC=CC=C1C(C1=CC(Br)=C([O-])C(Br)=C1)=C1C=C(Br)C(=O)C(Br)=C1
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规格
规格表
规格表Specific Absorbance (E 1%/1cm)≥660 (c. 600nm, ethanol)
FormCrystals or powder or crystalline powder
FormCrystals or powder or crystalline powder
Appearance (Color)Blue to blue/black or dark green to green/black
Specific Absorbance (E 1%/1cm)≥660 (c. 600nm, ethanol)
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Tetrabromophenolphthalein ethyl ester potassium salt is used as reagent for detection of proteins and as indicator for ion-pair extraction titration.
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
Tetrabromophenolphthalein ethyl ester potassium salt is used as reagent for detection of proteins and as indicator for ion-pair extraction titration.
Solubility
Soluble in water.
Notes
Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Incompatible with strong oxidizing agents.
Tetrabromophenolphthalein ethyl ester potassium salt is used as reagent for detection of proteins and as indicator for ion-pair extraction titration.
Solubility
Soluble in water.
Notes
Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Incompatible with strong oxidizing agents.
RUO – Research Use Only
General References:
- Kyoji Tôei.; Shoji Motomizu.; Tôru Umano. Extractive spectrophotometric determination of non-ionic surfactants in water. Talanta. 1982, 29 (2), 103-106.
- Tadao Sakai. Solvent extraction-spectrophotometric determination of berberine and benzethonium in drugs with tetrabromophenolphthalein ethyl ester by batchwise and flow injection methods. Analyst. 1991, 116 (2), 187-190.
- Acid-base indicator: pH 3.0-4.2.
- Reagent for detection of proteins.
- Indicator for ion-pair extraction titration.