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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

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Certificates of Analysis (COA)

Lot/Batch Number
U9467
U2422
U6363
U1278
U9249

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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.
Gastrointestinal endoscopy, 77(2), 308-312 (2012-12-05)
Chaval Sriwong et al.
Journal of environmental sciences (China), 24(3), 464-472 (2012-06-05)
A new method for the preparation of rubber sheet strewn with titanium dioxide particles (TiO2-strewn sheet) is presented. This simple and low cost method is based on the use of TiO2 powder (Degussa P25) being strewn onto the sheet made
Kenshi Yao et al.
Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society, 25 Suppl 1, 44-54 (2013-02-01)
Because endoscopic submucosal dissection (ESD) of gastric cancer can only be curative if the cancer is detected at an early stage and a precise preoperative diagnosis is made, we reviewed the detection and characterization of early gastric cancer (EGC) using
Tsuneo Oyama
Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society, 25 Suppl 1, 7-12 (2013-03-27)
The indication of endoscopic submucosal dissection for Barrett's esophageal adenocarcinoma (BEA) is superficial BEA without lymph node metastasis. The characteristic endoscopic findings of superficial BEA are elevation, depression, and color change. Indigocarmine spreading is useful for the diagnosis of lateral
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