19684
Chromoionophore XVII
Selectophore™
Synonym(s):
1-Hydroxy-4-[4-(2-hydroxyethylsulfonyl)phenylazo]naphthalene-2-sulfonic acid potassium salt, GJM-541
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About This Item
Empirical Formula (Hill Notation):
C18H15KN2O7S2
CAS Number:
Molecular Weight:
474.55
UNSPSC Code:
26111700
PubChem Substance ID:
MDL number:
product line
Selectophore™
form
solid
SMILES string
OCCS(=O)(=O)c1ccc(cc1)\N=N\c2cc(c(O)c3ccccc23)S(=O)(=O)O[K]
InChI
1S/C18H16N2O7S2.K/c21-9-10-28(23,24)13-7-5-12(6-8-13)19-20-16-11-17(29(25,26)27)18(22)15-4-2-1-3-14(15)16;/h1-8,11,21-22H,9-10H2,(H,25,26,27);/q;+1/p-1/b20-19+;
InChI key
FEQBTLSWGJASRO-RZLHGTIFSA-M
General description
Chromoionophores are colored ionophores. It consists of two functionally different parts namely ionophore and chromophore; ionophore helps in recognizing ions whereas chromophore transduces a chemical information produced by ionophore-ion interaction.
Application
pH indicator can be covalently linked to a cellulose support. Model compound for pH and cation indicator dyes that can be covalently linked to cellulose.
Legal Information
Selectophore is a trademark of Merck KGaA, Darmstadt, Germany
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
Regulatory Information
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G. Mohr
Optical sensors for pH and cations using vinylsulfonyl dye chemistry null
Complexation of Cationic Species
Crown Ethers; Inoue
Cation Binding by Macrocycles, 465-465 (1990)
G. Mohr, O. Wolfbeis
Analytica Chimica Acta, 292, 41-41 (1994)