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Catalog Number:
42504
CAS Number:
573-58-0
Congo red
Grade:
Certifiable Grade
Synonym(s):
Congo red 4B, Cosmos red, Cotton red B, Cotton red C
Documents
$185.68 /25G
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Product Information

Congo red is a versatile azo dye known for its vivid red color and unique properties, making it a valuable compound in various industries. This compound is widely used in histology and microbiology as a staining agent, particularly for identifying amyloid deposits in tissues, which is crucial for diagnosing diseases such as Alzheimer's. Additionally, Congo red serves as a pH indicator, changing color from red to blue as the pH shifts from acidic to alkaline, thus finding applications in laboratory settings for pH testing and analysis.

Moreover, Congo red's ability to bind to certain proteins and its fluorescent properties have made it a subject of research in the field of biochemistry, particularly in studies involving protein aggregation and misfolding. Its distinctive characteristics allow researchers to visualize and track biological processes, enhancing our understanding of various diseases. With its broad range of applications, Congo red stands out as an essential tool for researchers and professionals in the fields of biology, chemistry, and medicine.

Synonyms
Congo red 4B, Cosmos red, Cotton red B, Cotton red C
CAS Number
573-58-0
Grade
Certifiable Grade
Molecular Formula
C32H22N6Na2O6S2
Molecular Weight
696.66
MDL Number
MFCD00004028
PubChem ID
11313
Melting Point
> 360 °C (Lit.)
Appearance
Red powder
Conditions
Store at RT
General Information
Synonyms
Congo red 4B, Cosmos red, Cotton red B, Cotton red C
CAS Number
573-58-0
Grade
Certifiable Grade
Molecular Formula
C32H22N6Na2O6S2
Molecular Weight
696.66
MDL Number
MFCD00004028
PubChem ID
11313
Melting Point
> 360 °C (Lit.)
Appearance
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

Congo red is widely utilized in research focused on:

  • Histological Staining: This dye is commonly used in histology to stain tissues, particularly for identifying amyloid deposits in diseases like Alzheimer's. Its ability to bind to amyloid fibrils makes it invaluable in pathological studies.
  • Biological Research: In microbiology, Congo red is employed to study bacterial biofilms. Its staining properties help visualize biofilm formation, aiding researchers in understanding bacterial behavior and resistance mechanisms.
  • Environmental Monitoring: The compound is used in assessing water quality, particularly in detecting the presence of heavy metals and other pollutants. Its sensitivity to environmental changes makes it a useful tool for ecologists.
  • Textile Industry: As a dye, it is applied in the textile industry for coloring fabrics. Its vibrant hue and stability under various conditions make it a popular choice for dyeing cotton and other materials.
  • Pharmaceutical Applications: Congo red is being explored in drug delivery systems due to its ability to form complexes with certain drugs, enhancing their solubility and bioavailability, which is crucial for effective treatment.

Citations