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Merck
CN

234087

Potassium indigotrisulfonate

ozone-scavenging reagent

Synonym(s):

5,5′,7-Indigotrisulfonic acid tripotassium salt, Indigo-5,5′,7-trisulfonic acid tripotassium salt, Potassium indigotrisulfonate, Tripotassium indigo-5,5′,7-trisulfonate, tri-Potassium indigo-5,5′,7-trisulfonate

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About This Item

Empirical Formula (Hill Notation):
C16H7K3N2O11S3
CAS Number:
67627-18-3
Molecular Weight:
616.72
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
24854018
MDL number:
MFCD00013160
Beilstein/REAXYS Number:
4932187

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Product Name

Potassium indigotrisulfonate, ozone-scavenging reagent

InChI

1S/C16H10N2O11S3.3K/c19-15-8-3-6(30(21,22)23)1-2-10(8)17-13(15)14-16(20)9-4-7(31(24,25)26)5-11(12(9)18-14)32(27,28)29;;;/h1-5,17-18H,(H,21,22,23)(H,24,25,26)(H,27,28,29);;;/q;3*+1/p-3/b14-13+;;;

SMILES string

[K+].[K+].[K+].[O-]S(=O)(=O)c1ccc2NC(\C(=O)c2c1)=C3\Nc4c(cc(cc4S([O-])(=O)=O)S([O-])(=O)=O)C3=O

InChI key

XOSMXDUITYWYGR-VPOCKCTCSA-K

form

crystals or chunks

concentration

>60% (HPLC)

technique(s)

titration: suitable

solubility

water: 0.1%

λmax

600 nm

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

Quality Level

100

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Related Categories

Application

Ozone-scavenging reagent that reacts rapidly with ozone.
Potassium indigotrisulfonate has been used:
  • in colorimetric method of measurement of atmospheric ozone
  • for measuring residual aqueous ozone by gas diffusion flow injection analysis.
  • to determine O3 concentration in water.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
SHBR4937
SHBQ9935
SHBP6019
MKCK0997
MKBV0887V

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Ozone-scavenging reagents suitable for use in the quantitative determination of aldehydes as the O-(2,3,4,5,6-pentafluorobenzyl) oximes by GC-ECD
Urbansky, E.T., et al.
Water Research, 34, 2610-2613 (2000)
Chlorophylls Reductions in Fresh-Cut Chard (Beta vulgaris var. cicla) with Various Sanitizing Agents
Karaca H
Journal of Agricultural Science, 22(2016), 9-19 (2014)
Samira Nahim-Granados et al.
Water research, 170, 115304-115304 (2019-12-02)
In this research, the capability of ozonation and peroxone treatment for the simultaneous disinfection and decontamination of wash water from the fresh-cut industry has been investigated at pilot plant scale (10 L). The removal efficiency of six organic microcontaminants (OMCs) (four
M.R. Straka et al.
Analytical Chemistry, 57, 1799-1799 (1985)
Lilla Fijołek et al.
Chemosphere, 212, 802-810 (2018-09-07)
Self-enhanced ozonation is a new approach for generation of hydroxyl radicals at low pH. Unfortunately at acidic environment chloride effectively scavenges the radicals. Therefore, the presence of chloride in ozonated medium would be detrimental for the most of the process
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