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Merck
CN

I8130

Indigo carmine

Dye content ~85 %

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
UNSPSC Code:
12171500
EC Number:
212-728-8
Beilstein/REAXYS Number:
4103904
Colour Index Number:
73015
MDL number:
MFCD00005723

Key Documents

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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

composition

Dye content, ~85%

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pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H317

Hazard Classifications

Skin Sens. 1

Storage Class

11 - Combustible Solids

wgk

WGK 1

ppe

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
107K3522
090K3648
017K3695
036K3465
123K3732

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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
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
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
Christian Gómez-Solís et al.
Journal of hazardous materials, 217-218, 194-199 (2012-04-03)
Indigo carmine and methylene blue dyes in aqueous solution were photodegraded using SiC-TiO(2) catalysts prepared by sol-gel method. After thermal treatment at 450°C, SiC-TiO(2) catalysts prepared in this work showed the presence of SiC and TiO(2) anatase phase. Those compounds
Francisca A Rodríguez et al.
Environmental technology, 34(5-8), 573-583 (2013-07-11)
This work presents a study on degradation of indigo carmine dye in a filter-press type FM01-LC reactor using Sb2O5-doped Ti/IrO2-SnO2 dimensionally stable anode (DSA) electrodes. Micro- and macroelectrolysis studies were carried out using solutions of 0.8 mM indigo carmine in
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