CAS Registry Number

CAS 860-22-0 — Indigo Carmine (C.I. 73015)

Indigo Carmine (C.I. 73015) is a bright blue synthetic dye widely used in food, pharmaceuticals, and textiles as a colorant and pH indicator. It appears as a deep blue, water-soluble powder with high stability under varying pH conditions. CAS 860-22-0, molecular formula C16H8N2Na2O8S2, molecular weight 466.35 g/mol, and requires ambient storage. The product carries a signal word of "Warning" per GHS classification. Molekula supplies Indigo Carmine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.