Indigodisulfonic Acid Dipotassium Salt

靛蓝二磺酸二钾盐

Also known as: INDIGODISULFONATE DIPOTASSIUM SALT, INDIGODISULFONIC ACID DIPOTASSIUM SALT, INDIGODISULFONIC ACID, K SALT, Indigodisulfonic Acid Dipotassium Salt, Dipotassium 3,3'-dioxo-[2,2'-biindolinylidene]-5,5'-disulfonate, 3,3'-Dioxo[Δ2,2'-biindoline]-5,5'-disulfonic acid dipotassium salt, Dipotassium (2E)-3-oxo-2-(3-oxo-5-sulfonato-1,3-dihydro-2H-indol-2-ylidene)-5-indolinesulfonate, Dipotassium (2E)-3-oxo-2-(3-oxo-5-sulfonato-1,3-dihydro-2H-indol-2-ylidene)indoline-5-sulfonate, 1H-Indole-5-sulfonic acid, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-, potassium salt, (2E)- (1:2), Potassium (E)-3,3′-dioxo-[2,2′-biindolinylidene]-5,5′-disulfonate, dipotassium,(2E)-3-oxo-2-(3-oxo-5-sulfonato-1H-indol-2-ylidene)-1H-indole-5-sulfonate

Indigodisulfonic Acid Dipotassium Salt (CAS 13725-33-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C16H8K2N2O8S2 and a molecular weight of 498.570 g/mol. It is also known as INDIGODISULFONATE DIPOTASSIUM SALT, INDIGODISULFONIC ACID DIPOTASSIUM SALT and INDIGODISULFONIC ACID, K SALT. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

13725-33-2

Jingsj CID

J-1499075-5

Molecular Formula

C₁₆H₈K₂N₂O₈S₂

Chinese Name

靛蓝二磺酸二钾盐

Molecular Weight

498.570 g/mol

Category

Organic Acids

Last updated

8/21/2026