Sodium 3,3''-dioxo-[2,2''-biindolinylidene]-5,5''-disulfonate
Product Description
| Product | Sodium 3,3''-dioxo-[2,2''-biindolinylidene]-5,5''-disulfonate |
| CAS | 860-22-0 |
| Formula | C16H8N2Na2O8S2 |
| Synonym | 12070blue, 1311blue, 1H-Indole-5-sulfonicacid,2-(1,3-d, 1h-indole-5-sulfonicacid,2-(1,3-dihydro-3-oxo-5-sulfo-2h-indol-2-ylidene)-2,3, 1H-Indole-5-sulfonicacid,2-(1,3-dihydro-3-oxo-5-sulfo-2h-indol-2-ylidene)-2,3-dihydro-3-oxo-,disodiumsalt, 2’)-biindoline)-5,5’-disulfonicacid,3,3’-dioxo-(delta(supdisodiumsalt, 5,5’-indigotindisulfonicacid, a.f.blueno.2, Acid Blue 74, Acid blue 74, Blue X, Ceruleinum, CI 73015, 2-(1,3-Dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-1H-indole-5-sulfonic acid disodium salt, Disodium indigo-5,5-disulfonate FDC Blue No. 2, Food blue 1, Indigo carmine, Indigo carmine disodium salt, 5,5-Indigotin disulfonic acid Indigotine, Indigotine disodium salt, Sodium 5,5-indigotidisulfonate, Soluble indigo |
Typical Product Specifications
| Molecular weight | 466.35 |
| EINECS | 212-728-8 |
| Sensitive | Light Sensitive |
| Stability | Stable. Incompatible with strong oxidizing agents. |
| Merck | 14,4944 |
| Density | 1.01 g/mL at 20 °C |
| Melting Point | >300°C |
| Refractive Index | n20/D 1.335 |
| Colour Index | 73015 |
| BRN Number | 4103904 |
| Water solubility | 1 g/100 mL (25 ºC) |
| Notes | Sodium 3,3''-dioxo-[2,2''-biindolinylidene]-5,5''-disulfonate uses and applications include: Colorant in foods, cosmetics, pharmaceuticals (ingested drugs, dye in functional kidney test), nylon surgical sutures; reagent for testing milk; pigment for printing inks Sodium 3,3''-dioxo-[2,2''-biindolinylidene]-5,5''-disulfonateis a Suggested storage of Sodium 3,3''-dioxo-[2,2''-biindolinylidene]-5,5''-disulfonate: Light-sensitive |
| Class | Specialty Chemicals |
| Function | Acid |
| Industry | Cosmetic, Pharmaceutical |
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