Product Name：Sodium 3,3'-dioxo-[2,2'-biindolinylidene]-5,5'-disulfonate
Synonyms：5,5-Indigodisulfonic acid, disodium salt; Acid Blue 74; C.I. 73015; disodium 5,5-(2-(1,3-dihydro-3-oxo-2H-indazol-2-ylidene)-1,2-dihydro-3H-indol-3-one)disulphonate; disodium 5,5-indigodisulphonate; E 132; Indigo-5,5-disulphonic acid disodium salt
Molecular Formula：C16H8N2O8S2-2.2[NA+]
Molecular Weight：466.35292
