Skip to Content
Merck
All Photos(1)

Documents

19684

Supelco

Chromoionophore XVII

Selectophore™

Synonym(s):

1-Hydroxy-4-[4-(2-hydroxyethylsulfonyl)phenylazo]naphthalene-2-sulfonic acid potassium salt, GJM-541

Sign Into View Organizational & Contract Pricing
All Photos(1)

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

Signal Word

Warning

Hazard Statements

H315,H319,H335

Precautionary Statements

P261 - P305 + P351 + P338

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
1136341

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

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)
G. Mohr
Optical sensors for pH and cations using vinylsulfonyl dye chemistry null

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service