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Catalog Number:
42503
CAS Number:
4430-20-0
Chlorophenol red
Grade:
Indicator grade
Purity:
≥ 74% (Dye content)
Synonym(s):
3',3'-Dichlorophenolsulfonaphthalein
Documents
$116.67 /10G
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Product Information

Chlorophenol red is a versatile pH indicator widely used in various laboratory and industrial applications. This compound exhibits a distinct color change from yellow to red as the pH shifts from acidic to neutral, making it an invaluable tool for researchers in fields such as biochemistry and microbiology. Its sensitivity to pH changes allows for precise monitoring in titrations and other analytical methods, enhancing the accuracy of experimental results. Chlorophenol red is also utilized in cell culture media to indicate the metabolic activity of cells, providing insights into cellular health and growth conditions.

In addition to its role in laboratory settings, Chlorophenol red finds applications in the textile and dye industries, where it serves as a dye for fabrics and materials. Its unique chemical structure contributes to its stability and effectiveness as a colorant, offering advantages over similar compounds. Researchers and industry professionals appreciate Chlorophenol red for its reliability and ease of use, making it a preferred choice for various applications requiring pH monitoring and colorimetric analysis.

Synonyms
3',3'-Dichlorophenolsulfonaphthalein
CAS Number
4430-20-0
Purity
≥ 74% (Dye content)
Grade
Indicator grade
Molecular Formula
C19H12Cl2O5S
Molecular Weight
423.27
MDL Number
MFCD00005877
PubChem ID
20486
Melting Point
261 °C (Lit.)
Appearance
Dark brownish red powder
Conditions
Store at RT
General Information
Synonyms
3',3'-Dichlorophenolsulfonaphthalein
CAS Number
4430-20-0
Purity
≥ 74% (Dye content)
Grade
Indicator grade
Molecular Formula
C19H12Cl2O5S
Molecular Weight
423.27
MDL Number
MFCD00005877
PubChem ID
20486
Melting Point
261 °C (Lit.)
Appearance
Dark brownish red powder
Conditions
Store at RT
Properties
Additional property information coming soon!
-
Safety and Regulations
Hazmat
No
Antibiotic
No
DEA-regulated
No
Warnings
-
Applications

Chlorophenol red is widely utilized in research focused on:

  • pH Indicator: It serves as a reliable pH indicator in various laboratory experiments, changing color from yellow to red as the pH shifts from acidic to neutral. This feature is particularly useful in titrations and biochemical assays.
  • Microbiology: In microbiological applications, it helps in the detection of bacterial growth by indicating changes in pH in culture media, making it easier for researchers to monitor microbial activity.
  • Environmental Testing: Chlorophenol red is used in environmental studies to assess water quality, particularly in detecting pollutants that can alter pH levels, thus providing insights into contamination levels.
  • Education: It is commonly used in educational laboratories for teaching purposes, allowing students to visually understand acid-base reactions and the concept of pH in a hands-on manner.
  • Pharmaceutical Research: In the pharmaceutical industry, it aids in the formulation and stability testing of drugs, ensuring that the pH remains within an optimal range for efficacy and safety.

Citations