Indigocarmine

Products

Indigocarmine is available as a pure substance in specialized stores.

Structure and properties

Indigocarmine (C₁₆H₈N₂Na₂O₈S₂, M_r = 466.4 g/mol) exists as a blue powder that is soluble in water. The solutions are either yellow or blue depending on the pH.

Areas of application

• Dye for many drugs (e.g. Rohypnol, Viagra, Truvada).
• Dye for food
• PH indicator
• Diagnostic for renal function test
• As reagent