Skip to content
Laboratory & industrial chemicalsQuotations, SDS and COA on request

Pigments & Dyes

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

Versatile water-soluble Blue dye for diverse applications.

Article code
FDCBLUE2
CAS
860-22-0
Category
Pigments & Dyes

Specification and availability are confirmed by Chemical Suppliers when you inquire. Product details are attached to your request automatically.

Properties

Article / SKU
FDCBLUE2
EC Number
212-728-8
CAS Number
860-22-0
Molecular Weight
466.35
Color Index Number
73015

Packaging options

  • 1 Lb
  • 3 Ounces

Details

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.

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

Blue Organic Dye

Water-Soluble Food Colorant

pH Indicator Solution

Redox Indicator Dye

Ozone Indicator Solution

Related catalog entries