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Catalog Number:
42496
CAS Number:
34725-61-6
Bromophenol blue sodium salt
Grade:
For molecular biology, suitable for electrophoresis
Synonym(s):
3',3'',5',5''-Tetrabromophenolsulfophthalein sodium salt
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Product Information

Bromophenol blue sodium salt is a versatile pH indicator widely utilized in various laboratory and industrial applications. This compound exhibits a distinct color change from yellow to blue as the pH transitions from acidic to alkaline, making it an essential tool for researchers in fields such as biochemistry and molecular biology. Its sensitivity to pH changes allows for precise monitoring during titrations and other chemical reactions, enhancing accuracy in experimental procedures. Additionally, Bromophenol blue sodium salt is commonly employed in electrophoresis as a tracking dye, enabling scientists to visualize the migration of proteins and nucleic acids during gel electrophoresis.

This compound's unique properties, including its solubility in water and stability under various conditions, make it a preferred choice for laboratories seeking reliable and effective pH indicators. Its application extends beyond academic research; it is also utilized in quality control processes in the food and beverage industry, where pH levels are critical for product safety and quality. With its proven track record and broad applicability, Bromophenol blue sodium salt remains a staple in both research and industrial settings.

Synonyms
3',3'',5',5''-Tetrabromophenolsulfophthalein sodium salt
CAS Number
34725-61-6
Grade
For molecular biology, suitable for electrophoresis
Molecular Formula
C19H9Br4NaO5S
Molecular Weight
691.94
MDL Number
MFCD00013793
Melting Point
> 300 °C
Appearance
Dark blue to black powder
Conditions
Store at RT
General Information
Synonyms
3',3'',5',5''-Tetrabromophenolsulfophthalein sodium salt
CAS Number
34725-61-6
Grade
For molecular biology, suitable for electrophoresis
Molecular Formula
C19H9Br4NaO5S
Molecular Weight
691.94
MDL Number
MFCD00013793
Melting Point
> 300 °C
Appearance
Dark blue to black powder
Conditions
Store at RT
Properties
Additional property information coming soon!
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Safety and Regulations
Hazmat
No
Antibiotic
No
DEA-regulated
No
Warnings
-
Applications

Bromophenol blue sodium salt is widely utilized in research focused on:

  • pH Indicator: This compound is commonly used in laboratories as a pH indicator due to its clear color change from yellow to blue, making it ideal for visualizing pH levels in various solutions.
  • Protein Electrophoresis: It serves as a tracking dye in gel electrophoresis, allowing researchers to monitor the progress of protein separation, which is crucial in biochemistry and molecular biology.
  • Medical Diagnostics: In clinical laboratories, it is employed in assays to detect the presence of certain biomolecules, aiding in the diagnosis of various diseases.
  • Environmental Testing: The compound can be used in environmental studies to assess the acidity of water samples, contributing to water quality monitoring and management.
  • Educational Purposes: It is frequently used in educational settings for teaching purposes, helping students understand concepts related to pH and chemical reactions through hands-on experiments.

Citations