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Catalog Number:
01224
CAS Number:
34725-61-6
Bromophenol blue sodium salt
Grade:
ACS reagent
Synonym(s):
3',3'',5',5''-Tetrabromophenolsulfonephthalein sodium salt
Documents
$35.30 /25G
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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 within a pH range of approximately 3.0 to 4.6, making it an essential tool for researchers in fields such as biochemistry and molecular biology. Its ability to indicate pH changes is particularly valuable in titrations and in monitoring the pH of biological samples, where precise pH control is crucial for enzyme activity and stability.

In addition to its role as a pH indicator, Bromophenol blue sodium salt is also employed in electrophoresis as a tracking dye, allowing scientists to visualize the progress of nucleic acid and protein separation. Its unique properties, including high solubility in water and stability under various conditions, make it a preferred choice over other indicators. Researchers and industry professionals can rely on Bromophenol blue sodium salt for accurate and reliable results in their experiments, enhancing the efficiency and effectiveness of their work.

Synonyms
3',3'',5',5''-Tetrabromophenolsulfonephthalein sodium salt
CAS Number
34725-61-6
Grade
ACS reagent
Molecular Formula
C19H9Br4O5SNa
Molecular Weight
691.94
MDL Number
MFCD00013793
PubChem ID
23686674
Melting Point
279 °C (Approx.)
Appearance
Pale orange solid
Conditions
Store at RT
General Information
Synonyms
3',3'',5',5''-Tetrabromophenolsulfonephthalein sodium salt
CAS Number
34725-61-6
Grade
ACS reagent
Molecular Formula
C19H9Br4O5SNa
Molecular Weight
691.94
MDL Number
MFCD00013793
PubChem ID
23686674
Melting Point
279 °C (Approx.)
Appearance
Pale orange solid
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: Commonly used in laboratories to indicate pH changes in solutions, making it essential for titrations and other chemical analyses.
  • Electrophoresis: Serves as a tracking dye in gel electrophoresis, helping researchers visualize the progress of DNA or protein separation in molecular biology studies.
  • Biochemical Assays: Employed in various assays to monitor enzyme activity, particularly in studies involving proteases and other enzymes, enhancing the accuracy of results.
  • Histology and Cytology: Utilized as a staining agent in tissue samples, aiding in the identification of cellular components and structures under a microscope.
  • Environmental Testing: Applied in assessing water quality by indicating the presence of acidic or basic pollutants, thus supporting environmental monitoring efforts.

Citations