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15-0170

Sigma-Aldrich

Indigo carmine

SAJ first grade, ≥90.0%

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Synonym(s):
Acid Blue 74, Indigo-5,5′-disulfonic acid disodium salt, Indigocarmine
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

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

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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
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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
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