Direct Red 227

• CAT Number: M066038
• CAS Number: 12222-51-4
• Molecular Formula: C60H46N16O22S6.6Na
• Purity: ≥95%
• Storage: -20°C

Direct Red 227（Cat No.:M066038）, also known as Congo Red, is an azo dye widely used in various industries, including textiles, cosmetics, and biological staining. Its vibrant red color and high water solubility make it valuable for dyeing natural fibers like cotton and wool. Additionally, Congo Red is utilized in histology and microscopy as a stain for detecting amyloid deposits in tissues, aiding in the diagnosis of diseases such as Alzheimer’s and prion diseases.