Compound Q&A
What is Indigo carmine (CAS: 860-22-0)?
Answer
Indigo carmine is a synthetic organic compound with the chemical formula C16H10N2O2S2Na2. It is a bright blue dye commonly used as a pH indicator and food coloring. Known for its high water solubility and stability, it is widely recognized for its applications in various industries due to its vibrant color and chemical properties.
About
CAS No
860-22-0
English Name
Indigo carmine
Molecular Formula
C16H8N2Na2O8S2
Molecular Weight
466.3529 g/mol
SMILES
O=S(C1=CC2=C(N/C(C2=O)=C3NC4=C(C=C(S(=O)([O-])=O)C=C4)C/3=O)C=C1)([O-])=O.[Na+].[Na+]
InChIKey
JFVXEJADITYJHK-UHFFFAOYSA-L
Last Updated: 2025-08-28 11:52
