CAS: 860-22-0 - Indigo carmine

Formula: C₁₆H₁₀N₂O₈S₂·2Na

InChI: InChI=1S/C16H10N2O8S2.2Na/c19-15-9-5-7(27(21,22)23)1-3-11(9)17-13(15)14-16(20)10-6-8(28(24,25)26)2-4-12(10)18-14;;/h1-6,17-18H,(H,21,22,23)(H,24,25,26);;

InChI key: InChIKey=BBHXOPLQIHJZNV-UHFFFAOYSA-N

SMILES: [Na].O=C1C2=CC(=CC=C2NC1=C3NC4=CC=C(C=C4C3=O)S(=O)(=O)O)S(=O)(=O)O

Synonyms:

• Dinatrium-5,5'-(2-(1,3-dihydro-3-oxo-2H-indazol-2-yliden)-1,2-dihydro-3H-indol-3-on)disulfonat
• Indigotin
• Indigotine
• C.I. Food Blue 1
• 1H-Indole-5-sulfonic acid, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-, disodium salt
• C.I. Acid Blue 74
• C.I. Acid Blue 74
• disodium 5,5-(2-(1,3-dihydro-3-oxo-2H-indazol-2-ylidene)-1,2-dihydro-3H-indol-3-one)disulphonate
• 1H-Indole-5-sulfonic acid, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-, sodium salt (1:2)
• disodium 5,5-indigodisulphonate
• 1H-indole-5-sulfonic acid, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-, disodium salt, (2E)-
• Indigotindisulfonate Sodium [USAN]
• 5,5-Indigodisulfonic acid, disodium salt
• C.I. Food Blue 1, disodium salt
• Acid Blue 74
• Indigo-5,5-disulphonic acid disodium salt
• C.I. 75781
• E 132
• disodium (2E)-3,3'-dioxo-1,1',3,3'-tetrahydro-2,2'-biindole-5,5'-disulfonate
• C.I. Natural Blue 2
• [Δ2,2′-Biindoline]-5,5′-disulfonic acid, 3,3′-dioxo-, disodium salt
• 1311 Blue

Food Blue No. 2

CAS: 860-22-0

• Formula: C₁₆H₈N₂Na₂O₈S₂
• Color and Shape: Deep Blue - Deep Purple Solid
• Molecular weight: 466.35

Indigo Carmine

CAS: 860-22-0

• Formula: C₁₆H₈N₂Na₂O₈S₂
• Purity: >95.0%(E)
• Color and Shape: Dark red to Dark purple to Dark blue powder to crystal
• Molecular weight: 466.35

Indigo carmine

CAS: 860-22-0

Useful in the staining of Negri bodiesIndigo carmine is used as a food colorant, pH …

• Formula: C₁₆H₈N₂Na₂O₈S₂
• Color and Shape: Dark blue or dark purple to black, Powder or crystalline powder
• Molecular weight: 466.35

Indigo Carmine, High Purity Biological Stain

CAS: 860-22-0

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. …

• Formula: C₁₆H₈N₂Na₂O₈S₂
• Color and Shape: Dark blue to purple, Powder
• Molecular weight: 466.35

Indigo carmine

CAS: 860-22-0

• Formula: C16H8N2Na2O8S2
• Molecular weight: 466.35

Indigo Carmine

CAS: 860-22-0

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. …

• Formula: C₁₆H₈N₂Na₂O₈S₂
• Color and Shape: Crystalline powder, Dark blue to purple
• Molecular weight: 466.35

Indigotindisulfonate Sodium

CAS: 860-22-0

Acid dyes, whether or not premetallized, and preparations based thereon; mordant dyes & preparations based …

• Formula: C₁₆H₈N₂Na₂O₈S₂
• Color and Shape: Dark Blue Violet Solid
• Molecular weight: 465.95175

Sodium 3,3'-dioxo-[2,2'-biindolinylidene]-5,5'-disulfonate

CAS: 860-22-0

• Formula: C₁₆H₈N₂Na₂O₈S₂
• Purity: 85%
• Color and Shape: Solid
• Molecular weight: 466.3529

Indigotine 100 µg/mL in Acetonitrile:Water

CAS: 860-22-0

• Formula: C₁₆H₈N₂O₈S₂Na
• Color and Shape: Single Solution
• Molecular weight: 466.35

Indigotine

CAS: 860-22-0

• Formula: C₁₆H₈N₂O₈S₂Na
• Color and Shape: Neat
• Molecular weight: 466.35

Indigo Carmine (C.I. 73015)

CAS: 860-22-0

• Formula: C₁₆H₈N₂Na₂O₈S₂
• Purity: ≥ 85.0% (anhydrous basis)
• Color and Shape: Blue to dark purple powder
• Molecular weight: 466.36

Indigo Carmine

CAS: 860-22-0

• Formula: C₁₆H₈N₂O₈S₂· 2Na
• Molecular weight: 420.38 2*22.99

Indigo carmine

CAS: 860-22-0

Indigo carmine (NSC-8646) is an indolesulfonic acid. It is used as a dye in renal …

• Formula: C₁₆H₈N₂Na₂O₈S₂
• Purity: 98.72%
• Color and Shape: Dark Blue-Violet Powder Having Metallic Luster Of Copper Solid Powder
• Molecular weight: 466.35

Food Blue No.2 RS

CAS: 860-22-0

• Color and Shape: Solid Powder Or Grains

Blue No.2 for TLC RS

CAS: 860-22-0

• Color and Shape: Purplish Dark Blue Solid Grains Or Powder

Indigo Carmine

CAS: 860-22-0

Stability Light Sensitive Applications Indigo carmine is a dye consisting of an indigo dimer with …

• Formula: C₁₆H₈N₂O₈S₂Na
• Color and Shape: Dark Blue
• Molecular weight: 466.35

5,5’-Indigodisulfonic Acid Disodium Salt (Technical Grade)

CAS: 860-22-0

Stability Hygroscopic Applications 5,5’-Indigodisulfonic Acid Disodium Salt is a food additive that is widely used …

• Formula: C₁₆H₈N₂O₈S₂Na
• Purity: 85%
• Color and Shape: Neat
• Molecular weight: 466.35

Indigo Carmine extrapure AR

CAS: 860-22-0

• Formula: C₁₆H₈N₂Na₂O₈S₂
• Color and Shape: Deep blue, Powder/granules
• Molecular weight: 466.35

Indigo carmine

CAS: 860-22-0

Indigo Carmine is a dye that is used in wastewater treatment. It has a basic …

• Formula: C₁₆H₈N₂Na₂O₈S₂
• Purity: Min. 95%
• Color and Shape: Blue Clear Liquid
• Molecular weight: 466.35 g/mol