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15-0170

Sigma-Aldrich

Indigo carmine

SAJ first grade, ≥90.0%

Synonym(s):

Acid Blue 74, Indigo-5,5′-disulfonic acid disodium salt, Indigocarmine

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About This Item

Empirical Formula (Hill Notation):
C16H8N2Na2O8S2
CAS Number:
860-22-0
Molecular Weight:
466.35
Colour Index Number:
73015
Beilstein:
4103904
MDL number:
MFCD00005723
UNSPSC Code:
41116130
PubChem Substance ID:
329750681

grade

SAJ first grade

Assay

≥90.0%

form

solid

availability

available only in Japan

SMILES string

[Na+].[Na+].[O-]S(=O)(=O)c1ccc2NC(\C(=O)c2c1)=C3\Nc4ccc(cc4C3=O)S([O-])(=O)=O

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);;/q;2*+1/p-2/b14-13+;;

InChI key

KHLVKKOJDHCJMG-QDBORUFSSA-L

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Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H317

Hazard Classifications

Skin Sens. 1

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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C Montero-Ocampo et al.
Environmental science and pollution research international, 19(9), 3751-3762 (2012-10-12)
In this work, we report in situ studies of UV photoelectrocatalytic discoloration of a dye (indigo carmine) by a TiO(2) thin film in a microreactor to demonstrate the driving force of the applied electrode potential and the dye flow rate
Aurora rings: a novel endoscopic finding to distinguish inverted colonic diverticula from colon polyps.
Michael D Share et al.
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Chromo-zoom endoscopy has been demonstrated to be valuable in assessing the degree of intestinal villous atrophy in patients with suspected celiac disease. To evaluate the diagnostic accuracy of chromo-zoom endoscopy in patients with difficult diagnosis because of nonconcordant test results
Eleanor M Pritchard et al.
Macromolecular bioscience, 13(3), 311-320 (2013-01-26)
Sericin removal from the core fibroin protein of silkworm silk is a critical first step in the use of silk for biomaterial-related applications, but degumming can affect silk biomaterial properties, including molecular weight, viscosity, diffusivity and degradation behavior. Increasing the
Marios Efthymiou et al.
Inflammatory bowel diseases, 19(10), 2132-2138 (2013-08-01)
Mucosal dye spraying (chromoendoscopy [CE]) has been shown in controlled studies to enhance lesion detection in colitis surveillance. Narrow band imaging (NBI) potentially offers a more convenient mode of highlighting mucosal lesions. The primary objectives of this study were to
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