Indigotindisulfonate Sodium
C16H8N2Na2O8S2
466.35
1H-Indole-5-sulfonic acid,2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-, disodium salt;
Disodium 3,3′-dioxo-[Δ2,2′-biindoline]-5,5′-disulfonate [860-22-0]
1H-Indole-5-sulfonic acid,2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-, disodium salt;
Disodium 3,3′-dioxo-[Δ2,2′-biindoline]-5,5′-disulfonate [860-22-0]
DEFINITION
Indigotindisulfonate Sodium contains NLT 96.0% and NMT 102.0% of sodium indigotinsulfonates, calculated on the dried basis as indigotindisulfonate sodium (C16H8N2Na2O8S2).