Bromothymol Blue Sodium Salt (TCI S0044) is a chemical reagent widely used in analytical chemistry, particularly in titration processes. It functions as a pH indicator, changing color in response to variations in the acidity or alkalinity of a solution. This property makes it essential for identifying the endpoint of chemical reactions, especially in acid-base titrations. Its reliability and accuracy in detecting subtle pH changes are critical for both qualitative and quantitative analysis in laboratory settings.
The compound is known for its high sensitivity to pH changes, which allows it to provide clear and consistent color transitions. It is chemically stable under controlled conditions, ensuring consistent performance during experiments. Its solubility in water and crystalline form make it easy to handle and incorporate into various analytical procedures. These characteristics contribute to its popularity among laboratory professionals seeking a dependable pH indicator.
In Indonesian laboratories, Bromothymol Blue Sodium Salt is extensively used in both educational and research environments. It is commonly found in high school and university chemistry practical sessions, where students learn about pH indicators and titration techniques. Its widespread use in academic and industrial research further highlights its importance in chemical analysis and quality control processes.
TCI brochures (PDF)
- Titration Reagents and TLC Stains 2026-05-07 · p. 3
- Acid-base titration: Bromothymol Blue Sodium Salt is ideal for determining the equivalence point in acid-base reactions due to its distinct color change in the pH range of 6.0 to 7.6.
- pH monitoring in environmental samples: Its sensitivity allows for accurate measurement of pH in water and soil samples, making it useful in environmental analysis.
- Educational experiments: It is frequently used in school and university labs to teach students about pH indicators and titration techniques.
- Quality control in industrial processes: Its reliability ensures accurate pH measurements in manufacturing and production settings.
- Research applications: It supports various analytical studies requiring precise pH detection in chemical reactions and solutions.
| Brand | TCI |
|---|---|
| CAS number | 34722-90-2 |
| Molecular formula | — |
| Purity | — |
| Category | Analytical Chemistry > Analytical Reagents > Titration Reagents |
| Pack sizes | Available in various quantities as per standard laboratory supply formats |
| Physical form | Crystalline powder |
| Storage | Store in a cool, dry place away from direct sunlight and moisture |
Bromothymol Blue Sodium Salt should be stored in a cool, dry place, away from direct sunlight and moisture to maintain its chemical stability and effectiveness. It is recommended to use airtight containers to prevent exposure to humidity and contaminants. Since it is a powder, it should be handled with care to avoid inhalation or contact with skin. Laboratory personnel should wear appropriate personal protective equipment, such as gloves and safety goggles, when handling the substance. It is not flammable or corrosive, but its sensitivity to pH changes means it should be stored separately from strong acids or bases to prevent unintended reactions. Proper storage ensures the reagent remains effective for its intended analytical applications.
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