Indigo Carmine 10gr

Indigo Carmine, 860-22-0

Indigo Carmine 10gr, or 5,5?-indigodisulfonic acid sodium salt, is an organic salt derived from indigo by sulfonation, which renders the compound soluble in water. It is approved for use as a food colorant in the U.S and E.U.

It is also a pH indicator.

Other names: Acid Blue 74; Indigocarmine; Indigotindisulfonate sodium. 3,3?-dioxo-2,2?-bisindolyden-5,5?-disulfonic acid disodium salt

C₁₆H₈N₂Na₂O₈S₂

M.W. : 466.346

CAS Number : 860 – 22 – 0

https://en.wikipedia.org/wiki/Indigo_carmine

https://pubchem.ncbi.nlm.nih.gov/compound/Indigo_carmine