Sodium 3,3''-dioxo-[2,2''-biindolinylidene]-5,5''-disulfonate
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Product Description
Product
Sodium 3,3''-dioxo-[2,2''-biindolinylidene]-5,5''-disulfonate
CAS
860-22-0
Formula
C16H8N2Na2O8S2
Synonym
Indigo carmine; Indigo carmine disodium salt; Indigotine disodium salt; Sodium 5,5-indigotidisulfonate; Soluble indigo; 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-(1,3-Dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-1H-indole-5-sulfonic acid disodium salt; 2’)-biindoline)-5,5’-disulfonicacid,3,3’-dioxo-(delta(supdisodiumsalt; 5,5’-indigotindisulfonicacid; 5,5-Indigotin disulfonic acid Indigotine; a.f.blueno.2; Acid Blue 74; Blue X; Ceruleinum; CI 73015; Disodium indigo-5,5-disulfonate FDC Blue No. 2; Food blue 1
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
Industry
Functions
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
Indigo carmine; Indigo carmine disodium salt; Indigotine disodium salt; Sodium 5,5-indigotidisulfonate; Soluble indigo; 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-(1,3-Dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-1H-indole-5-sulfonic acid disodium salt; 2’)-biindoline)-5,5’-disulfonicacid,3,3’-dioxo-(delta(supdisodiumsalt; 5,5’-indigotindisulfonicacid; 5,5-Indigotin disulfonic acid Indigotine; a.f.blueno.2; Acid Blue 74; Blue X; Ceruleinum; CI 73015; Disodium indigo-5,5-disulfonate FDC Blue No. 2; Food blue 1
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
Industry
Functions
