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Bromocresol Purple
Catalog number: A19530.09
10 g, Each
Thermo Scientific Chemicals
Bromocresol Purple
Catalog number: A19530.09
10 g, Each
Quantity
Catalog number: A19530.09
also known as A19530-09
Price (USD)
Special offer:
29.65 31.65 Online priceSave 2.00 (6%)
Ends: 15-Oct-2024
Each
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Chemical Identifiers
CAS
115-40-2
IUPAC Name
3,3-bis(3-bromo-4-hydroxy-5-methylphenyl)-3H-2,1λ⁶-benzoxathiole-1,1-dione
Molecular Formula
C21H16Br2O5S
InChI Key
ABIUHPWEYMSGSR-UHFFFAOYSA-N
SMILES
CC1=CC(=CC(Br)=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC(C)=C(O)C(Br)=C1
Specifications
Specification SheetAppearance (Color)
Grey to light purple to pink to peach to yellow-tan powder
Form
Powder
Color Change
Green-yellow @ pH 5.2 to Bluish-violet @ pH 6.8
Loss on Drying
≤1.0% (105°C/constant weight)
Solution Test
1% in ethanol: clear, yellow to orange
Description
It is used as a pH indicator and to measure serum albumin concentrations. It is used as a pH indicator (5.2-6.8 : yellow to blue-purple) and also used in spectrophotometric determination of serum-albumin.
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
It is used as a pH indicator and to measure serum albumin concentrations. It is used as a pH indicator (5.2-6.8 : yellow to blue-purple) and also used in spectrophotometric determination of serum-albumin.
Solubility
Insoluble in water. Soluble in ethanol (80 mg/ml), alcohol, methanol (4 mg/ml), methyl cellosolve (300 mg/ml) and dilute alkalies.
Notes
Transition interval: pH 5.2 (yellow) to pH 6.8 (purple)
It is used as a pH indicator and to measure serum albumin concentrations. It is used as a pH indicator (5.2-6.8 : yellow to blue-purple) and also used in spectrophotometric determination of serum-albumin.
Solubility
Insoluble in water. Soluble in ethanol (80 mg/ml), alcohol, methanol (4 mg/ml), methyl cellosolve (300 mg/ml) and dilute alkalies.
Notes
Transition interval: pH 5.2 (yellow) to pH 6.8 (purple)
RUO – Research Use Only
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