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FD&C BLUE 2, Indigo Carmine, Food Blue 1

Versatile water-soluble Blue dye for diverse applications.
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FDC Blue #2, Food Blue 1, Indigo Carmine

Indigo Carmine, also known as FDC Blue #2 or Food Blue 1, is a water-soluble organic dye derived from indigo through aromatic sulfonation. Approved for use as a food colorant in the United States and European Union, it imparts a vibrant blue hue. Additionally, it serves as a pH indicator, transitioning from blue at pH 11.4 to yellow at 13.0. Its versatility extends to being a redox indicator, turning yellow upon reduction, and a dissolved ozone indicator. Applications range from food coloring to surgical and biological staining. Its EC Number is 212-728-8, CAS Number is 860-22-0, Molecular Weight is 466.35, and Color Index Number is 73015.

Key Features

  • Vibrant blue colorant for food and industrial use
  • Water-soluble and organic
  • Acts as pH indicator and redox indicator
  • Also functions as a dissolved ozone indicator
  • Approved for use in the US and EU

Product Specifications:

EC Number212-728-8
CAS Number860-22-0
Molecular Weight466.35
Color Index Number73015

Similar Products:

  • Blue Organic Dye
  • Water-Soluble Food Colorant
  • pH Indicator Solution
  • Redox Indicator Dye
  • Ozone Indicator Solution

Note: These are similar products, and each product is different, so research is required to find the best fit for your needs.
Perfect for Food and Beverage Manufacturers, Pharmaceutical Companies, Laboratory Technicians, Chemical Suppliers, Food Safety Inspectors.
  • Availability: In Stock
  • Model: FDCBLUE2
  • Brand: ChemicalStore