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Potassium indigotrisulfonate

SIAL/234087 - ozone-scavenging reagent

Synonym: 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

CAS Number: 67627-18-3
Empirical Formula (Hill Notation): C16H7K3N2O11S3
Molecular Weight: 616.72
MDL Number: MFCD00013160
Linear Formula: C16H7K3N2O11S3
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-234087-1G 1 g
 $74.30
1/EA		 Add To Favorites
45-234087-5G 5 g
 $280.00
1/EA		 Add To Favorites
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 234087-1G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 234087-5G

 

λmax 600 nm
application(s) diagnostic assay manufacturing
hematology
histology
concentration >60% (HPLC)
form crystals or chunks
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+;;;
InChI key XOSMXDUITYWYGR-VPOCKCTCSA-K
Quality Level 100 
SMILES string [K+].[K+].[K+].[O-]S(=O)(=O)c1ccc2NC(C(=O)c2c1)=C3Nc4c(cc(cc4S([O-])(=O)=O)S([O-])(=O)=O)C3=O
solubility water: 0.1%
storage temp. room temp
technique(s) titration: suitable
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.
Packaging: 1, 5 g in glass bottle
RIDADR NONH for all modes of transport
WGK Germany WGK 3
Flash Point(F) Not applicable
Flash Point(C) Not applicable
Storage Temp. room temp
UNSPSC 12171500

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