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| Name | Bromocresol Purple (Reag. USP) |
| Purity | ≥ 98% |
| Appearance | Purple to dark purple powder |
| Solubility | Soluble in water, slightly soluble in ethanol |
| Melting Point | 231-234°C |
| Molecular Weight | 540.40 g/mol |
| Storage Conditions | Store in a cool, dry place away from light |
| Shelf Life | 2 years |
| Cas Number | 115-40-2 |
| Chemical Formula | C21H16Br2O5S |
| Usage | Indicator for pH determination in the range of 5.2-6.8 |
| Molar Absorptivity | 1.3 × 104 L mol−1 cm−1 |
FAQ
What is Bromocresol Purple (Reag. USP) used for in analysis?
Bromocresol Purple (Reag. USP) is commonly used as a pH indicator in various laboratory analyses.
What is the chemical structure of Bromocresol Purple (Reag. USP)?
The chemical structure of Bromocresol Purple (Reag. USP) consists of a benzene ring with two cresol moieties and a sulfone group.
How is Bromocresol Purple (Reag. USP) prepared for use in analysis?
Bromocresol Purple (Reag. USP) is typically dissolved in a suitable solvent to prepare a stock solution. It is then added to the sample or reaction mixture in the required concentration.
What are the advantages of using Bromocresol Purple (Reag. USP) in analysis?
Bromocresol Purple (Reag. USP) provides a distinct color change at specific pH ranges, making it easy to visually detect pH changes in analyses. It is also stable and soluble in water, which makes it convenient for use in various laboratory applications.
How is the presence of Bromocresol Purple (Reag. USP) detected in an analysis?
The presence of Bromocresol Purple (Reag. USP) is detected by observing the color change of the solution it is added to. The color change indicates the pH of the solution and helps in determining the endpoint of the analysis.
Bromocresol Purple (Reag. USP) is commonly used as a pH indicator in various laboratory analyses.
What is the chemical structure of Bromocresol Purple (Reag. USP)?
The chemical structure of Bromocresol Purple (Reag. USP) consists of a benzene ring with two cresol moieties and a sulfone group.
How is Bromocresol Purple (Reag. USP) prepared for use in analysis?
Bromocresol Purple (Reag. USP) is typically dissolved in a suitable solvent to prepare a stock solution. It is then added to the sample or reaction mixture in the required concentration.
What are the advantages of using Bromocresol Purple (Reag. USP) in analysis?
Bromocresol Purple (Reag. USP) provides a distinct color change at specific pH ranges, making it easy to visually detect pH changes in analyses. It is also stable and soluble in water, which makes it convenient for use in various laboratory applications.
How is the presence of Bromocresol Purple (Reag. USP) detected in an analysis?
The presence of Bromocresol Purple (Reag. USP) is detected by observing the color change of the solution it is added to. The color change indicates the pH of the solution and helps in determining the endpoint of the analysis.
