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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:
156122-91-7
Molecular Weight:
474.55
MDL number:
MFCD07370100
UNSPSC Code:
26111700
PubChem Substance ID:
329751930

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

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
1136341

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G. Mohr, O. Wolfbeis
Analytica Chimica Acta, 292, 41-41 (1994)
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)

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