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27088 Sigma-Aldrich

Chromoionophore III

Selectophore

Synonym: 9-(Diethylamino)-5-[(2-octyldecyl)imino]benzo[a]phenoxazine, ETH 5350

  • CAS Number 149683-18-1

  • Empirical Formula (Hill Notation) C38H55N3O

  • Molecular Weight 569.86

  •  Beilstein Registry Number 5462368

  •  MDL number MFCD00213937

  •  PubChem Substance ID 329752973

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Properties

Related Categories Analytical/Chromatography, Chromoionophores, Ion Sensor Materials More...
grade   Selectophore
InChI Key   ICVAQSQRYBGWQH-IGIMMJHKSA-N

Description

Application

Assay of Na+ activity with solvent polymeric optode membrane prepared from ETH 5350 and sodium ionophore V; Assay of ammonia with solvent polymeric optode membranes based on ETH 5350 and valinomycin (potassium ionophore I)

ETH 5350 was used for the fabrication of optode membranes, which are sodium selective, used in order to optically determine sodium in pH-buffered human blood plasma.

Other Notes

Same product — same quality — now Sigma-Aldrich brand

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

General description

Chromoionophore III (ETH 5350) is a pH sensitive dye, and is ratiometric that is the fluorescence spectrum has two peaks, and the ratio between these peaks changes according to the changing pH levels.

Legal Information

Selectophore is a trademark of Sigma-Aldrich Chemie GmbH

Price and Availability

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
3

Documents

Certificate of Analysis

Protocols & Articles
Peer-Reviewed Papers
15

References

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