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Catalog Number:
22826
CAS Number:
4430-20-0
Chlorophenol Red 
Purity:
≥ 74% (Dye content)
Synonym(s):
3,3'-Dichlorophenol sulfonephthalein, CPR
Documents
$25.20 /5G
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Product Information

Chlorophenol Red is a versatile chemical compound widely recognized for its application as a pH indicator in various laboratory and industrial settings. This compound exhibits a distinct color change from yellow to red as the pH transitions from acidic to neutral, making it an invaluable tool for researchers and professionals in fields such as biochemistry, environmental science, and analytical chemistry. Its sensitivity and reliability in detecting pH changes allow for precise monitoring in titrations and other chemical analyses, ensuring accurate results in experiments and processes.

In addition to its role as a pH indicator, Chlorophenol Red is also utilized in the formulation of dyes and pigments, contributing to its relevance in the textile and paper industries. Its unique properties allow for effective color stabilization, enhancing the durability and vibrancy of products. Researchers appreciate Chlorophenol Red for its ease of use and the clarity it provides in visualizing pH changes, making it an essential component in both educational and professional laboratories.

Synonyms
3,3'-Dichlorophenol sulfonephthalein, CPR
CAS Number
4430-20-0
Purity
≥ 74% (Dye content)
Molecular Formula
C19H12Cl2O5S
Molecular Weight
423.27
MDL Number
MFCD00005877
PubChem ID
20486
Appearance
Dark brownish red powder
Conditions
Store at RT
General Information
Synonyms
3,3'-Dichlorophenol sulfonephthalein, CPR
CAS Number
4430-20-0
Purity
≥ 74% (Dye content)
Molecular Formula
C19H12Cl2O5S
Molecular Weight
423.27
MDL Number
MFCD00005877
PubChem ID
20486
Appearance
Dark brownish red 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

Chlorophenol Red is widely utilized in research focused on:

  • pH Indicator: This compound serves as an effective pH indicator in various laboratory settings, allowing researchers to visually assess acidity or alkalinity in solutions, which is crucial for experiments that require precise pH control.
  • Biochemical Assays: It is commonly used in biochemical assays to monitor enzymatic reactions, providing a colorimetric change that helps in quantifying the activity of enzymes, making it valuable in both academic and industrial research.
  • Water Quality Testing: Chlorophenol Red is applied in environmental monitoring to test water quality. Its ability to indicate pH changes helps in assessing the health of aquatic ecosystems, which is vital for environmental protection efforts.
  • Textile Industry: In the textile industry, it is used as a dye and pH indicator during the dyeing process, ensuring that the dyeing conditions are optimal for color retention and fabric quality.
  • Pharmaceutical Development: The compound is also utilized in pharmaceutical research for drug formulation and stability testing, where pH levels can significantly impact the efficacy and shelf-life of medications.

Citations