Congo red
biological dye
- Product Code: 126549
Alias:
Congo red; direct Congo red, boiled scarlet, direct vermilion, direct scarlet, diphenyl-4,4'-bis[(azo-2-)-1-aminonaphthalene-4-sulfonate sodium]
CAS:
573-58-0
| Molecular Weight: | 696.66 g./mol | Molecular Formula: | C₃₂H₂₂N₆Na₂O₆S₂ |
|---|---|---|---|
| EC Number: | 209-358-4 | MDL Number: | MFCD00004028 |
| Melting Point: | >360 °C(lit.) | Boiling Point: | |
| Density: | 0.995 g/mL at 25 °C | Storage Condition: | room temperature |
Product Description:
Used as a biological stain in histology to identify amyloid deposits in tissues, aiding in the diagnosis of diseases like Alzheimer's. It acts as a pH indicator, changing color from red to blue in acidic to basic conditions. In textile industries, it serves as a dye for cotton and silk, providing vibrant red hues. Additionally, it is employed in research to study protein aggregation and fibril formation. Its ability to bind cellulose makes it useful in paper and pulp industries for quality testing.
Product Specification:
| Test | Specification |
|---|---|
| Appearance | Powder |
| Infrared Spectrum | Conforms To Structure |
| Solubility (Color, C=10Mg/Ml In Water) | Dark Red |
Sizes / Availability / Pricing:
| Size (g) | Availability | Price | Quantity |
|---|---|---|---|
| 25.000 | 10-20 days | ฿560.00 |
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| 100.000 | 10-20 days | ฿1,030.00 |
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| 500.000 | 10-20 days | ฿3,770.00 |
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| 2500.000 | 10-20 days | ฿13,980.00 |
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Congo red
Used as a biological stain in histology to identify amyloid deposits in tissues, aiding in the diagnosis of diseases like Alzheimer's. It acts as a pH indicator, changing color from red to blue in acidic to basic conditions. In textile industries, it serves as a dye for cotton and silk, providing vibrant red hues. Additionally, it is employed in research to study protein aggregation and fibril formation. Its ability to bind cellulose makes it useful in paper and pulp industries for quality testing.
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